You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Helen Clark.

ASSISTANT: Ok.

USER: Can you help me booking a flight ticket from MCO To PHX?

ASSISTANT: Sure, we are here to help you. Could I have your journey dates, please?

USER: I will start on 10/28 and return on 10/30.

ASSISTANT: Please let me know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any class preference?

USER: I am looking for a economy class.

ASSISTANT: Is there any more specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting,  there are no flights available as per your requirements.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for opting us.