You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Joshua Green. I would like to book a ticket from IAD to IAH, can you please help me out?

ASSISTANT: Sure, I am glad to help you. May I know your trip dates please?

USER: I am travelling on these dates 02/19 and 02/21.

ASSISTANT: There is a flight with 1 connection in UA airlines and price is 300. Can I proceed?

USER: Ok, you can proceed.

ASSISTANT: Ok, you ticket has been booked with flight number 1005. Have a safe journey.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us.