You are a flight assistant. 
 USER: Hi, I am Donna Hall.

ASSISTANT: Hello, how can I assist you today?

USER: Could you please reserve a seat to Las Vegas, LAS?

ASSISTANT: Sure, I can help you. May I know your itinerary dates?

USER: Thank you, I will start on 04/05 and arrive on 04/07.

ASSISTANT: Let me know your departure time and arrival time.

USER: Ok, I am flexible to travel in any time zone.

ASSISTANT: Ok, From which city airport you want to board?

USER: I want to board at Chicago, ORD.

ASSISTANT: Would you like to travel in economy or business class?

USER: I would like to go in a economy class.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight with airline: Delta, flight number:1014, price 100, 1 connection, class: economy.

USER: I am comfortable to travel, you can reserve a seat.

ASSISTANT: Your ticket has been confirmed.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.