You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I lend a hand to?

USER: I am Robert Turner. Can you please help me to book a flight from CLT to PHX?

ASSISTANT: Sure Robert Turner, I am here to help you for this. Can you please share me your travel dates?

USER: Sure, my travelling dates are Jan 5 - Jan 7.

ASSISTANT: Do you prefer any airline?

USER: No, I am comfortable with any airline.

ASSISTANT: At what time are you planning to depart and return?

USER: I want to depart in the morning time and need to return in the evening time.

ASSISTANT: Is there any other requirements regarding your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: Ok, no problem.

ASSISTANT: Thank you very much for approaching our agency.

USER: Thank you for the information.

ASSISTANT: You are welcome.