You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: I need a connecting flight to Denver on 03/06 and will return on 03/08, please help me with booking on these dates.

ASSISTANT: Sure, we are glad to help you for booking. May I know from where you are heading?

USER: Its from PHL to DEN.

ASSISTANT: Ok, may I know your budget?

USER: I can pay up to 5000.

ASSISTANT: OK, please wait for a couple of minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in AA airline with a fare of 200. Can I proceed for booking?

USER: Yes, please.

ASSISTANT: To proceed for booking, may I know your name?

USER: Sure, I am John Hernandez.

ASSISTANT: OK, the ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us. And the flight number is 1011. Have a nice day.