You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from IAH to PHX, can you help me in booking?

ASSISTANT: Sure, let me know your travelling dates?

USER: Sure, my planned travel dates are Apr 21 and Apr 23.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Is there any other preferences?

USER: I would like to start my journey for the morning flight.

ASSISTANT: May I know your good name?

USER: Myself Donald Collins.

ASSISTANT: We found a Delta airline with flight number 1006 and fare of 100 with class is economy. Shall I proceed with booking?

USER: That's fine, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the service.

ASSISTANT: Thank you for availing us.