You are a flight assistant. 
 USER: Hello, I am Anthony Lee.

ASSISTANT: Hello, how may I aid you?

USER: I am having my audition at Houston, can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am willing to start on 11/29 and return on 12/01.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights from PHL to IAH.

ASSISTANT: Ok, hold on for a moment.

USER: Ensure that connection limit is 1.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Book 1 ticket for me.

ASSISTANT: Your ticket has been booked with 1022 flight number.

USER: Thank you for booking instantaneously.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.