You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a ticket from ORD to IAH, can you help me?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: My travel dates are 12/12 and 12/14.

ASSISTANT: May I know your name?

USER: Myself Jonathan Lee.

ASSISTANT: There is a connecting flight-1019 of Delta airlines, shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome.