You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Could you please help me to book a connecting flight from Detroit to meet my grand parents in Phoenix?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, I am planning to start my journey on 09/30 and my return date will be on 10/02.

ASSISTANT: Can I have your name please to proceed further?

USER: I am Samantha Roberts.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Samantha Roberts, no flights has been found on your planned travel dates.

USER: That's fine, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.