You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Elizabeth Walker. I want to attend a wedding in New York. Can you book a ticket from DEN to JFK?

ASSISTANT: Sure, could you please share your travelling dates?

USER: I want to travel on 06/07 and 06/09.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Flight-1000 of Southwest airlines is available for you, shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.