You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit my sister-in- law's house at Chicago, for a vacation. Can you help me in booking my flight ticket?

ASSISTANT: Sure, provide me your travelling details.

USER: My origin and destination airports are SFO on 11/18 - ORD on 11/20.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: I found a flight regarding your details.

USER: Ok, May I know the flight details?

ASSISTANT: Flight number is 1015, airline is Delta with single connection and price of 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Let me know your good name?

USER: Sure, I am Linda Wilson.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you, for contacting us.