You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Scott Carter, want to travel from OAK to MCO to attend my conference meeting. Please help me in booking my ticket.

ASSISTANT: Sure, let me know your journey dates.

USER: Sure, my journey dates are from 05/18 to 05/20.

ASSISTANT: Do you like to go with a connecting flight or a direct flight?

USER: I need a direct flight.

ASSISTANT: In which class, you are planning to go?

USER: My class preference is economy.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.