You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Linda Thomas here. Can you please help me in booking the ticket from DEN to DEN?

ASSISTANT: Ok, can you please mention your travelling dates?

USER: Sure, my journey dates are 09/11 and 09/13.

ASSISTANT: Here is a flight ticket with 1004 flight number and Delta as airline.

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

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Most welcome.