You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am William Martin here, I want to reserve my ticket from PHX to MCO, can you please help me out?

ASSISTANT: Sure, may I know your travel dates please?

USER: Ok, my dates of journey are from 07/14 to 07/16.

ASSISTANT: Do you have specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Please, wait for a while.

USER: Sure, but my return time will be at afternoon.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for opting us.