You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Patricia Brown here.

ASSISTANT: How could I assist you at this moment?

USER: Reserve a flight ticket for me that is from ORD to CLT.

ASSISTANT: Ok, please share your return date?

USER: My travel dates are 04/07 and 04/09. Ok.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: Ok, book the flight ticket.

ASSISTANT: Your ticket has been confirmed with 1016 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.