You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Shirley Hill here.

ASSISTANT: How may I provide assistance to you?

USER: Can you please reserve me a flight ticket from SFO to MCO?

ASSISTANT: Sure, to reserve a flight ticket may I know your depart and arrival timings?

USER: I want to depart at morning time.

ASSISTANT: Do you want to fly with economy class or business class?

USER: I need an economy class.

ASSISTANT: When would you like to travel?

USER: My trip dates are 11/13 - 11/15.

ASSISTANT: Unfortunately there are no flights are running on your route according to your given information.

USER: Not a problem, thank you.

ASSISTANT: Thank you for connecting with us.