You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to search a flight from Washington, DC-IAD?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: The trip dates are 06/30 to 07/02.

ASSISTANT: Ok, can you provide me your destination airport code?

USER: The destination airport code is NV-LAS.

ASSISTANT: Ok, please be online for sometime. I will get back to you.

USER: Sure.

ASSISTANT: There is a flight available with JetBlue airlines and the ticket costs you 200 only. Shall I book the ticket?

USER: Yes, proceed with my booking on the name of  Sarah Hall.

ASSISTANT: Hall, I have confirmed your reservation successfully with the flight-1017.

USER: Thank you for your help.

ASSISTANT: Thank you very much for choosing us.