You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Donald Walker here.

ASSISTANT: How can I assist you at this moment?

USER: I would like to book a ticket from DEN to MCO, can you please help me with that?

ASSISTANT: Sure Donald Walker, can I have your travel dates please?

USER: The travel dates are from 08/07 to 08/09.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Do you have any limits regarding connections?

USER: I need a halt.

ASSISTANT: Sorry Donald Walker, no flight is available to you on your dates  with connection 1.

USER: Please proceed with that.

ASSISTANT: Ok Donald Walker, your ticket booking has done and the flight number is 1005.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.