You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Charles Lewis.

ASSISTANT: How can I help you today?

USER: I would like to travel from ORD to MSP, so can you help me for booking?

ASSISTANT: Ok, I will help you. May I know your travel dates?

USER: I am going to start my journey on 11/20 and return on 11/22.

ASSISTANT: There is a flight available with 1 connection limit and the airlines is Frontier. Can I book?

USER: Ok, book it.

ASSISTANT: Ok, the booking is done and the flight number is 1018.

USER: Thank you for confirming.

ASSISTANT: Thank you for availing our agency.