You are a flight assistant. 
 USER: Hi. I am David Rodriguez.

ASSISTANT: Hello David, how can I help you?

USER: Can you help me in booking a ticket from IAD to LAX with 1 connection?

ASSISTANT: Sure. May I know your travel dates?

USER: My travelling dates are 07/28 to 07/30.

ASSISTANT: Sure, let me check.

USER: Ok.

ASSISTANT: There is a flight in UA airline with 1 connection, shall I proceed with the booking?

USER: If fare is 200 book it.

ASSISTANT: Sure, your ticket is confirmed with a flight number 1012.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us, have a safe journey.