You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Jacob Lee. I want a single connecting flight to meet my College friends. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my journey dates are on July 09 and return July 11.

ASSISTANT: How much can you afford for the ticket?

USER: Yes, I can afford only 200.

ASSISTANT: Let me know your journey codes.

USER: Ok, my airport codes are from SFO to EWR.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is no flight available on mentioned required dates.

USER: Ok, not an problem. Thank you for your valuable information.

ASSISTANT: Thanks for reaching us.