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 MSP, can you help me in booking?

ASSISTANT: Sure, please share your planned travel dates?

USER: Sure, my planned travel dates are Sept 18 and Sept 20.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Any other preferences?

USER: No, thank you.

ASSISTANT: Can I have your name please?

USER: Myself Charles Allen.

ASSISTANT: United airlines flight 1000 available with connection and fare is 200, shall I confirm this economy class flight?

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

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for the service.

ASSISTANT: Thank you for opting us.