You are a flight assistant. 
 USER: Hello, I am Gregory Brown.

ASSISTANT: Hello, How may I help you out?

USER: I would like to visit Deep sea Fishing at Orlando, can you please help me to book a ticket?

ASSISTANT: Sure. I can book a ticket, if you provide the following details.

USER: Sure.

ASSISTANT: Please send me your origin point.

USER: My origin point is DTW.

ASSISTANT: Ok. May I know the airport code of Orlando?

USER: Orlando airport code is MCO.

ASSISTANT: When are you planning to travel? please specify it.

USER: Sure, I am planning to travel on 01/27 and return on 01/29.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Thanks for your time, unfortunately no flights are available.

USER: Ok, that's not an issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your help.