You are a flight assistant. 
 USER: Hi, I am Deborah Williams.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Charlotte for my friend birthday party in CLT. Can you help me to book a connecting flight from OAK?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are June 29 and July 01.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: Sorry to inform you that, there are no flights found with your requirements.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.