You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Myself Justin Johnson. Can you please book me a ticket to PHL from CLT?

ASSISTANT: Sure, please share trip dates.

USER: My trip dates are July 29 and July 31.

ASSISTANT: Let me know your connection limit.

USER: I require a connecting flight in between my journey.

ASSISTANT: Do you have any specifications?

USER: My depart time should be in the afternoon and return time should be in the evening.

ASSISTANT: Sorry, there are no flights available based on your details.

USER: Ok, not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.