You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Katherine Green. I am planning to book a ticket to meet my friend at SFO. Can you please help me out to book ticket from ORD.

ASSISTANT: Ok, can I know your travelling dates?

USER: I would like to travel on 08/02 and return  back on 08/04.

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connecting flight.

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket is booked with 1000 of UA airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.