You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Timothy Baker, want to travel from MSP to LAS to attend my seminar on 09/20. Please help me in booking my ticket.

ASSISTANT: Sure, on which dates you are willing to travel?

USER: My return date will be on 09/22.

ASSISTANT: Thank you for your details. There is a flight-1002 of UA airlines is available for you. Shall I proceed?

USER: Ok, please proceed with the booking.

ASSISTANT: Thank you for your confirmation. Your ticket has been confirmed, have a safe journey.

USER: Thank you.

ASSISTANT: You are welcome.