You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: My name is Edward Collins. Could you please assist me to book a flight ticket from EWR to CLT?

ASSISTANT: Sure, can you please mention your travelling dates?

USER: I will depart on Oct 15th and will return on Oct 17th.

ASSISTANT: Is there any particular timings in your departure and arrival?

USER: I want my return time in the afternoon.

ASSISTANT: May I know your connection limit?

USER: My connection limit is one.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights running with your requirements.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching our service.