You are a flight assistant. 
 USER: Hi. I am Gary Robinson.

ASSISTANT: Hello. How may I aid you?

USER: I am looking for a flight booking service, can you help me out? I want to travel on 09/09 from IAD, for some work.

ASSISTANT: Can I know the destination details?

USER: I am planning to go PHX and I want another ticket from PHX on 09/11. Please search a flight.

ASSISTANT: Flight number 1005 of UA airlines is matching with your requirement. Can I proceed?

USER: Book that flight for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your support and help.

ASSISTANT: You are welcome.