You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you at this moment?

USER: I am planning to visit MCO with my friends. Can you help in booking my ticket?

ASSISTANT: Sure, I will help you. Can you please help me with providing your travelling dates?

USER: My preferred dates of travelling are from 08/19 to 08/21.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: I prefer a direct flight.

ASSISTANT: Ok, kindly mention your source airport code?

USER: I want to start my journey from PHX.

ASSISTANT: Ok, please wait for few minutes.

USER: Ok.

ASSISTANT: There are no flights available on your requested dates. Can I have your good name to fill our data base?

USER: Myself Kathleen Thomas. Thank you for your service.

ASSISTANT: Thank you for approaching us.