You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name Jessica Wright, I want to book a flight on 07/21 to attend a meeting. Can you book a connecting flight for me?

ASSISTANT: Sure, I am glad to help you. May I know your source and destination airport codes?

USER: My source point is DC-DCA and my destination is IL-ORD.

ASSISTANT: When will you return?

USER: I will return on 07/23.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We have a flight from AA airline 1022 and the price is 100. Shall I book it?

USER: Please proceed with booking.

ASSISTANT: Your economy class seat is reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.