You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your assistance?

USER: I am Linda Edwards, can you help me to book a flight from CLT to IAD?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Do you need a break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Could you please let em know your depart and return timings?

USER: Please book afternoon flight for both timings.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: My travelling dates are Sept 21 and 23.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for opting us.