You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight ticket from CLT to PHL?

ASSISTANT: May I know your travel dates?

USER: My trip dates are 25 Feb and 27 Feb.

ASSISTANT: Do you prefer connecting flight?

USER: I am ok with any connection limit.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the morning.

ASSISTANT: May I know your good name?

USER: I am Alexander Lopez.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for reaching us.