You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Karen Lewis. I am looking to book a flight ticket from OAK to IAH to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking. May I know your travel dates please?

USER: My travelling dates are 06/02 and 06/04.

ASSISTANT: UA airlines is having a flight with a fare of 200, shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with the flight-1007.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe journey.