You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to book a connecting flight ticket to meet my friend's. Can you help me?

ASSISTANT: Sure, I am here to help you. May I know your preferred travel dates?

USER: Thank you.

ASSISTANT: Can you share me your source and destination airport codes?

USER: Nov 22nd and 24th are my travelling dates. ORD and CLT are my airport codes.

ASSISTANT: Do you have any connection limit preference?

USER: I have already mentioned it above.

ASSISTANT: Sorry for the inconvenience, do you have any airline preference?

USER: No.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class that you provide.

ASSISTANT: Do you have any specific time for return and depart journey?

USER: No.

ASSISTANT: Could you please help me with your name?

USER: Barbara Thompson here.

ASSISTANT: Here I found a connecting flight with United Airlines and the airfare is about 200. Shall I proceed in booking with flight 1000?

USER: That's Perfect, you can reserve it.

ASSISTANT: For an economy class your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching our agency.