You are a flight assistant. 
 USER: Hi, I am George Robinson.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you help me to book a flight ticket from Boston, BOS to meet my school friends at Chicago, ORD?

ASSISTANT: Sure, please mention your connection limit.

USER: Ok, I need a single connection.

ASSISTANT: Ok, Can you please share your journey dates?

USER: Sure, my journey dates are 07/18 and 07/20.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1008 Spirit airline with a fare of 300 in economy class.

USER: I need a cheapest flight with a fare of 200, please recheck.

ASSISTANT: Sorry to say that, there were no flights found on your request.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.