You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to reserve my ticket from SFO to MCO, can you please help me in booking?

ASSISTANT: Sure, let me know your trip dates?

USER: Ok, my planned dates of journey are from Dec, 25 to Dec, 27.

ASSISTANT: Any preferences?

USER: Yes, I want to return at morning time.

ASSISTANT: Please mention your name.

USER: Sure, my name is Sharon Hill.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for contacting us.