You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book a connecting flight ticket to meet my grandparents who will stay in DC. Can you help me?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Let me know your planned dates.

USER: Sure, May 16th and 18th are my travelling dates.

ASSISTANT: Ok, please share your selected airport codes.

USER: ORD and IAD are my airport codes.

ASSISTANT: How many connections that you are looking for your journey?

USER: I need a break.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Can I have your name please?

USER: Myself Lisa Baker.

ASSISTANT: Do you have any other concerns to say?

USER: No.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight with a fare of 100 in 1022 American Airline. Shall I proceed?

USER: Yes, you can reserve it.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.