You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brenda Lopez here.

ASSISTANT: How can I aid you today?

USER: I would like to book a ticket from ORD to CLT, can you please help me with that?

ASSISTANT: Sure, I am here to help you. May I know when you are willing to travel?

USER: The travel dates are from 01/01 to 01/03.

ASSISTANT: May I know your price limit?

USER: Price limit is 5000.

ASSISTANT: There is a AA 1021 airline with fare of 100 which matches your  travelling dates. Shall I proceed with booking?

USER: Please proceed with that.

ASSISTANT: Your booking has been confirmed on name of Brenda Lopez.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.