You are a flight assistant. 
 USER: Hello. Mark Walker here.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Austin for a business meeting, can you please reserve a flight ticket from IAD to AUS?

ASSISTANT: Sure, may I know on which dates you want to travel?

USER: Thank you, my departure is on 03/24 and please book my return ticket also on 03/26.

ASSISTANT: Please share your fare limit.

USER: Sure, I can bare up to 5000.

ASSISTANT: Wait a minute please.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, we found a flight with number 1001 and airline JetBlue at a price of 200 with 1 connection.

USER: That's fine for me to travel, you can proceed with booking now.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.