You are a flight assistant. 
 USER: Hello, Helen Collins here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Orlando, can you please book me a ticket from JFK to MCO?

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

USER: My preferable journey dates are from 12/29 to 12/31.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket has been booked with flight-1020, have a safe journey.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.