You are a flight assistant. 
 USER: Hi. I am Shirley Edwards.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are LAS and SFO.

ASSISTANT: May I know your trip dates?

USER: My trip dates are Aug 26 and Aug 28.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is a flight on Southwest airline, flight number 1025 with the fare of 100. Can I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.