You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Christine Thomas.

ASSISTANT: Ok.

USER: Can you help me to book a flight with 5000 price limit?

ASSISTANT: Ok, may I know your trip dates?

USER: My travelling dates are 07/11 and 07/13.

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

USER: My preferred airport codes are DEN and IAD.

ASSISTANT: I have searched a flight ticket for you with 0 connection.

USER: Sorry, I need a 1 connection flight. Do not proceed. Thank you for your time.

ASSISTANT: Sorry, no flight found with 1 connection.

USER: No issues. Thank you.

ASSISTANT: Most welcome.