You are a flight assistant. 
 USER: Hello, I am George Thompson.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from IAD to PHX. Can you please help me?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates are 2 and 4 on the month of May.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a stopover.

ASSISTANT: Ok, please let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: Ok, please provide your depart and return timings.

USER: My return time is afternoon.

ASSISTANT: Thank you for providing details, No flights were found with your given requirements.

USER: That's Ok, thanks for your time.

ASSISTANT: Thank you for reaching us.