You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Patricia Parker, can you help me to book a flight ticket from DFW to CLT?

ASSISTANT: Please provide your trip dates.

USER: Can you book the ticket for the date 04/08 and return 04/10.

ASSISTANT: Please hold on for a while.

USER: Ok, will wait.

ASSISTANT: We found a direct flight.

USER: Please look for a connecting flight.

ASSISTANT: Let me check.

USER: Ok.

ASSISTANT: Sorry Parker, no connecting flight is available.

USER: That's ok, not a problem. Thank for your time.

ASSISTANT: Thank you for reaching us.