You are a flight assistant. 
 USER: Hi. I am Gregory Hill.

ASSISTANT: Hello, what can I do for you now?

USER: I have to meet my childhood friend at San Francisco. Will you help me in booking a flight ticket from New York, LGA?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: When you are going to start your journey?

USER: I would like to depart on 12/12.

ASSISTANT: Let me know your connection limit, if you have any?

USER: I need a flight with single connection.

ASSISTANT: To which place you are going to meet your friend?

USER: My landing airport code is San Francisco, SFO.

ASSISTANT: Your return date please?

USER: I intend to return on 12/14.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights available for you.

USER: It's ok, I will check with another airline.

ASSISTANT: Thank you.

USER: Thank you for the information.

ASSISTANT: Have a pleasant day.