You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be of your assistance?

USER: I am looking for direct flight for my travelling, can you help me in finding a flight and book the ticket for me from SEA to SFO locations?

ASSISTANT: Sure, We are here to help you.

USER: Thank you for considering my request.

ASSISTANT: Please share me your trip dates.

USER: I would like to airborne on Feb 5th and please book the return ticket also on Feb 7th.

ASSISTANT: May I know your name?

USER: My name is Matthew Collins.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: Check the flight with a direct one, no other preferences.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure, I can wait for your reply.

ASSISTANT:  Thanks for being waiting, Sorry to inform you that  currently there are no flights running at that locations due to abnormal weather conditions.

USER: Very sad to hear that one from your end, I can search with any other source to reach my location. Thank you for your help.

ASSISTANT:  Ok, Thank you for reaching us.

USER: Welcome.