You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Kimberly Lopez here.

ASSISTANT: How may I aid you?

USER: I want to book a flight reservation on the route from DEN to DCA to meet an old friend. Can you help me?

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

USER: My journey dates are from 07/26 to 07/28.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is connecting flight from Hawaiian airlines with a fare of 200, shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your ticket is confirmed with the flight-1000.

USER: Thank you for helping me with booking.

ASSISTANT: Welcome, have a safe trip.

USER: You are most welcome.