You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Paul Green. Can you please help me with booking a flight ticket from HOU to JFK?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: I willing to travel on dates Nov 10 and 12.

ASSISTANT: What time do you prefer to depart and return?

USER: I would like to return at evening.

ASSISTANT: Sure, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know if you have any other preference.

USER: No other preferences.

ASSISTANT: Sorry, we don't have any flight matching all your requirement.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for checking it with us.