You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Andrew Lewis. I am planning to travel from IAH to JFK, help me in booking a flight?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travelling dates are Nov 07 to 09.

ASSISTANT: Do you have any other specifications?

USER: I will be return in evening flight and I need 1 connection flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested criteria.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.