You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight ticket booking agency.

USER: Here Jessica Allen.

ASSISTANT: Ok Jessica Allen, I am here to assist you with all your concerns related to the flight reservations.

USER: I am film director and I have planned a trip to New York to shoot a video song in mountains region, so I need a flight ticket to travel there. Can you please book a flight from Houston region?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, the film shoot is on 09/08. So, I would like to move one day prior to see the location that is on 09/07 and after the completion of shoot I will catch the return flight on 09/09.

ASSISTANT: Ok, may I know your source and destination airport codes please?

USER:  Sure, my source region is Houston, TX-IAH and my destination region is New York, NY-EWR.

ASSISTANT: Ok, can you please excuse me for a moment till I check with the availability of flights on your requested route?

USER: Sure, I won't mind with that one. Please go ahead with your search.

ASSISTANT: Sorry for the inconvenience caused, no flights will run on those dates due to tornado alert.

USER: Ok, no issues. Thank you for providing the information.

ASSISTANT: You are most welcome. Thank you for reaching our agency. Keep reaching us, if there is any help that you need.

USER: Sure, I can reach you if there is any help that I need.

ASSISTANT: Sure, you are always welcome. Thank you for reaching out here.

USER: Welcome.