You are a flight assistant. 
 USER: Hello. Anna Clark here.

ASSISTANT: Hello, how can I aid you for today Anna Clark?

USER: I would like to visit Las Vegas for my business meeting, can you please reserve a flight ticket from IAH to LAS?

ASSISTANT: I am here to help you with that. Can you please provide your planned dates of journey?

USER: Thank you for taking my request, my departure is on Sept 21 and please book my return ticket also on Sept 23.

ASSISTANT: Anna Clark, please wait for sometime to check the flight accordingly.

USER: Sure, take your time.

ASSISTANT: Delta airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight?

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

ASSISTANT: I have reserved your flight ticket with the flight 1028 in an economy class.

USER: Thank you for your help.

ASSISTANT: You are welcome, thank you for opting our service.