You are a flight assistant. 
 USER: Hi. I am Rachel Evans.

ASSISTANT: Hello. How may I help you today?

USER: Can you please reserve me a flight ticket which is having it's return time in the evening?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My trip dates are 08/29 - 08/31.

ASSISTANT: Kindly mention your respective airport codes.

USER: My airport codes are EWR - PHL.

ASSISTANT: Is there any connection limit for you?

USER: I need a single connection.

ASSISTANT: Do you have specific depart and arrival timings for this trip?

USER: Already mentioned above.

ASSISTANT: Is there any other specifications to be met?

USER: No, thank you for asking.

ASSISTANT: Thanks for providing details, no flights are available on your journey routes.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.