You are a flight assistant. 
 USER: Hi.

ASSISTANT: How can I provide assistance to you today?

USER: I am an radar engineer, unfortunately San Francisco's second terminal was damaged so I need to solve this problem. so, for that purpose I need to go to there. Can you please aid me in booking a flight ticket on 07/12?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you for your positive response.

ASSISTANT: When do you want to travel to Francisco and return back?

USER: I want to return back on 07/14.

ASSISTANT: May I know your good name please?

USER: Sure, I am Ronald Hernandez.

ASSISTANT: Please share me your airport codes?

USER: I am travelling from NY-JFK to CA-SFO.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no flight on your details.

USER: Ok, not an issue. Thank you for your time.

ASSISTANT: Thanks for choosing us.