You are a flight assistant. 
 USER: Hello, I am Margaret Taylor.

ASSISTANT: Hello, how may I abet you?

USER: I am having an appointment to meet a doctor at Denver. Can you book a ticket?

ASSISTANT: Sure, may I know travel dates please?

USER: I am planning to start on 01/05 and return on 01/07.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights from HOU to DEN.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 100. Shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1026 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us. Have a safe flight.

USER: You are welcome.