You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Perez.

ASSISTANT: What type of service you are expecting from our travel agency?

USER: My father got promotion with in two months of time in BMW company and now he became senior manager , so they are giving party to all the employees, my father want to take me with him, so can you book a flight ticket for me?

ASSISTANT: Yes, I can help you with the ticket booking. Can you please mention your location airport codes?

USER: Thank you for considering my request and my planned journey dates are 03/25 and I will catch the return flight on 03/27.

ASSISTANT: Ok, can you please provide me the remaining details?

USER: Sure, my genesis airport code is IAD and I want to land on JFK.

ASSISTANT: Ok, please hold on for a minute. I will search a flight and let you know the details.

USER: Sure, I will wait for your response. Ans search the flight with a connection limit of 1.

ASSISTANT: Sorry for the trouble which is caused to you, there are no flights available on the dates you have given.

USER: Sad to hear that one from your end but thank you for your quick search and providing your information.

ASSISTANT: You are welcome. Thank you for choosing our travel agency. Have a nice day.

USER: You are welcome.