You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Sandra Nelson. I am planning to visit LAS to DFW, can you please help me to book a flight ticket?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: Sure, my travel dates are 04/17 and 04/19.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your own time.

ASSISTANT: There is a flight available with JetBlue airlines and the ticket fare is 100 only. Is that ok for you?

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

ASSISTANT: Sandra, your ticket is booked and your flight number is 1022.

USER: Thank you for your service.

ASSISTANT: You are welcome and thank you for choosing us.