You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Michael Lopez.

ASSISTANT: How may I assist you today?

USER: I have to go to Phoenix next week so can you please book a flight ticket from IAH to PHX?

ASSISTANT: Sure, I will help you with that. Can you please provide your departure and return dates of travelling?

USER: Thank you, I want to take off on May 15 and book my return ticket also on May 17.

ASSISTANT: Do you have any connection limit?

USER: I need 1 break in my journey.

ASSISTANT: Do you have any specific timings in departure and arrival?

USER: I want to take off on afternoon time.

ASSISTANT: Is there any additional restrictions do you have?

USER: No.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your requested specifications.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.