You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Angela Moore. I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from HOU to DEN?

ASSISTANT: Sure, I am here to help you with that. May I know your travel dates please?

USER: I would like to take off on 12/17 and return on 12/19.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Delta airlines is having a direct flight with a fare of 100, shall I proceed with booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is confirmed with the flight-1026.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Welcome, have a safe journey.