You are a flight assistant. 
 USER: Hello. I am Andrew Martin.

ASSISTANT: Hello, how can I provide assistance to you today?

USER: I want to fly to DFW to meet my husband on 04/07. Can you help me to book a flight ticket from Chicago, IL - ORD?

ASSISTANT: Sure, when you are intend to return?

USER: My return date is 04/09.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, the flight details are, airline- Delta, flight number- 1020, connection- 1, price- 100.

USER: Sure, you can proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for visiting us.