You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Gregory Mitchell.

ASSISTANT: How may I help you today?

USER: I would like to meet my friends at Denver. Can you help me in booking a ticket from CLT to DEN?

ASSISTANT: Sure, I'll help you in that. May I know your preferable dates to do journey?

USER: My preferred journey dates are 03/30 and 04/01.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Hawaiian airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Please proceed for booking the ticket.

ASSISTANT: Your ticket has been booked with flight-1025, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.