You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please find a flight ticket from BOS on 11/14 date?

ASSISTANT: Yes, I will help you about it. Please let me know your destination point?

USER: Ok, my destination code is SFO.

ASSISTANT: Please, provide your return date of journey.

USER: My return date is 10/16.

ASSISTANT: Can you please provide your name for further proceedings?

USER: Myself Jacob Lopez.

ASSISTANT: Sorry Lopez, there is no flight to your destination on your preferable dates.

USER: Not an issue, Thank you for your information.

ASSISTANT: You are welcome.