You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Collins from Chicago.

ASSISTANT: How can I assist you at this moment?

USER: I need to attend an interview at San Francisco. Can you help me in booking a ticket from ORD to SFO?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: I prefer to travel on dates 08/08 and 08/10.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: UA airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Yes, please book the ticket.

ASSISTANT: Catherine Collins, your ticket is booked with flight number 1007.

USER: Thank you for your response.

ASSISTANT: Thank you, have a safe journey.