You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I respond to your request?

USER: I would like to travel to PHX for my business trip, can you please help me to reserve ticket from DEN?

ASSISTANT: Sure, we are mirthful to help you. May I know on which dates you are planning to start and return?

USER: My planned travelling dates are Jul, 02 and 04 respectively.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes, I would be comfortable with single stop over.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I would prefer to travel in normal cost airline.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Joshua Mitchell here.

ASSISTANT: Ok, please be on hold for sometime to check the suitable flight for your journey.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for approaching us, wish you a great day.

USER: Thank you.