You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela wright.

ASSISTANT: How can I help you for today?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket?

ASSISTANT: Yes, I can help you. Could you share me your nearest airport codes?

USER: My nearest source airport code is DFW and destination airport code is ORD.

ASSISTANT: Ok, can I know your travelling dates?

USER: I would like to take off on 03/10 and return on 03/12.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found a flight ticket with a fare of 100 and 1 connecting flight. Can I proceed to booking?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked with AA airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.