You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: As I am a scientist I have to attend a workshop about my study in Philadelphia in the month of May. So, I need your guidance about my flight ticket booking from Washington. Can you help me with that?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, my airport codes are IAD and PHL.

ASSISTANT: When you are wiling to travel?

USER: I am willing to travel from May 2nd to May 4th.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight with halt in between my journey.

ASSISTANT: May I know your good name?

USER: I am George Thompson.

ASSISTANT: We found a connecting flight of fare 300 with airline UA and number is 1024. Can I proceed?

USER: Yes, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your kind services.

ASSISTANT: Thank you.