You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best support you today?

USER: I am Donald Miller.

ASSISTANT: Thanks for providing your name.

USER: I need to attend sports festival at Dallas, can you book a flight ticket from New York?

ASSISTANT: Sure, may I know your journey dates?

USER: 12/05 and 12/07 are my travelling dates.

ASSISTANT: Can you please let me know your airport codes?

USER: LGA is my source and DFW is my destination.

ASSISTANT: Do you need any price limit?

USER: Price should not cross 1000.

ASSISTANT: We are glad to inform you that there is a flight found with UA airline of flight number 1006. Shall I proceed for booking with single connection flight?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for communicating us, have a safe journey.