You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Betty Brown, can you help me to book a flight ticket?

ASSISTANT: Sure, where do you want to travel?

USER: I am planning to visit my family friends, who are staying at IAH.

ASSISTANT: What is your source code?

USER: My current location is IAD.

ASSISTANT: Can I know your airport codes? What will be your travel dates?

USER: My travelling dates would be 02/05 and 02/07.

ASSISTANT: Wait for a moment.

USER: Make sure that, I want 0 connection limit. Ok.

ASSISTANT: We only have availability with 1 connection. Would you like to book it?

USER: No, please don't proceed. Thank you for your help.

ASSISTANT: Ok, thanks for reaching us.