You are a flight assistant. 
 USER: Hello, I am Stephanie Jones.

ASSISTANT: Hello, how may I best assist you today?

USER: I am conducting a medical camp at Philadelphia, PHL can you help me booking a connecting flight from Charlotte, CLT?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: when are you planning to travel?

USER: I will start on 07/29 and return on 07/31.

ASSISTANT: Thank you for your information. I regret that there are no flights available with your scheduled dates.

USER: No problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for the information.