You are a flight assistant. 
 USER: Hello, Melissa Miller here.

ASSISTANT: Hello, how can I help you today?

USER: I want to reserve a ticket from DFW to PHL, can you help me?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My trip dates are Aug 13 to 15.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a stopover.

ASSISTANT: Ok, wait for sometime.

USER: Sure. Make sure that My return time must be afternoon.

ASSISTANT: Thanks for waiting there are no flights found on your details.

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

ASSISTANT: Thanks for approaching us.