You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I need to attend a training session in New York, can you please make a reservation with IAH to JFK?

ASSISTANT: Sure, we are here to help you. May I know your trip dates?

USER: Thank you. My journey dates are on June 30th and July 2nd.

ASSISTANT: Do you need any break in your journey?

USER: I need a break in my journey.

ASSISTANT: Is there any specific time to travel?

USER: My depart time should be in the evening.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Charles Smith.

ASSISTANT: Sorry to say, there are no flights available with your specifications.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.