You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: In Broadway theater, my show is to be played, For this I want o book a ticket under the price limit of 200.

ASSISTANT: Sure. Can I have your journey dates?

USER: Could you help me in booking a flight ticket on 10/19?

ASSISTANT: Sure, please send your return date.

USER: After completion, I will return on 10/21.

ASSISTANT: Can I have your nearby airport abbreviates?

USER: My source is at San Francisco, SFO which is nearer to my place.

ASSISTANT: Can you hold on for a moment?

USER: Destination is at New York, EWR.

ASSISTANT: Ok. May I know your name?

USER: Jessica Moore is my name.

ASSISTANT: Sorry, no flights are available on this route on your required dates.

USER: Fine, no problem. Thank you for your response.

ASSISTANT: Welcome. Thank you for approaching us.