You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Brain Miller.

ASSISTANT: How can I help you?

USER: I want a booking from DEN to ALT.

ASSISTANT: Could you please tell me your travelling dates?

USER: My dates are 04/08 to 04/10.

ASSISTANT: There is a flight with your required dates. Can I proceed?

USER: Sure.

ASSISTANT: Your booking is confirmed with airline Hawaiian and the flight number is 1021.

USER: Thank you so much for helping me.

ASSISTANT: Thank you for choosing us. Have a nice day.