You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mary Adams.

ASSISTANT: How may I aid you?

USER: I want to book a ticket from MSP to LAX to attend seminar, can you help me in booking?

ASSISTANT: Sure, I will help you. Can you please share your travelling dates?

USER: I am departing on Nov 20 and return on Nov 22.

ASSISTANT: Do you have any class preferences?

USER: I am ok with any class.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for your patience, there is a direct flight in JetBlue airline and price is 200. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked with the flight 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.