You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Myself Susan Hill. I am looking for a flight from PHL to IAD, can you help me in booking?

ASSISTANT: Sure, We are here to serve you. Can I know your travelling dates?

USER: Sure, my planned travel dates are June 07 and June 08.

ASSISTANT: Do you need any break?

USER: Yes, please look for a connecting flight.

ASSISTANT: Please share your time preference.

USER: I would like to return my journey for the afternoon flight.

ASSISTANT: Give me a moment.

USER: Ok, please can you change my return date to June 09 instead of June 08?

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: We found a connecting flight with  Southwest airline, flight number:1008 . Can I reserve it?

USER: That's fine, please proceed in booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the service.

ASSISTANT: Thank you for choosing us.