You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am supervisor and I want to attend a staff meeting in IAD, so book a flight ticket on 11/24?

ASSISTANT: Sure, we are oblige to help you.

USER: Thank you.

ASSISTANT: Ok, can you please provide your origin airport code to proceed further?

USER: Sure, I would like start my journey from LAS region.

ASSISTANT: Is there any return trip in your journey?

USER: Yes, there is a return trip on 11/26.

ASSISTANT: Ok, please wait a moment to check the flights availability and I will revert back to you.

USER: Yes, please go ahead.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 from Spirit airlines. Is it ok for you?

USER: Yes, you can book my ticket on my name Mary Smith.

ASSISTANT: Sure, your seat in reserved in flight number 1023.

USER: I am happy that my ticket booking is done with your help, thank you.

ASSISTANT: Thank you for approaching us, have a safe journey.

USER: Welcome.