You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please book me a flight ticket from DFW to PHX to meet my family?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: When are you planning to start and return?

USER: I have planned to travel on Oct 01st and return on Oct 03rd.

ASSISTANT: Ok, please share your good name.

USER: Carol Davis.

ASSISTANT: Is there any connection limit for you?

USER: I prefer connecting flight.

ASSISTANT: Is there any other concerns?

USER: I want to depart at morning time.

ASSISTANT: Sorry to notify you that, no flights are found based on your information.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.