You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from  CLT to PHL?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are from Aug 27th to Aug 29th.

ASSISTANT: Do you have any specifications?

USER: I want a single connection in between my journey.

ASSISTANT: May I know your name?

USER: I am Melissa Martinez.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.