You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Hill.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket from MSP to OAK, can you please help me out?

ASSISTANT: Sure, I can help you with that. May I know your preferable journey dates?

USER: I am travelling on these dates 04/19 and 04/21.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Southwest airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: I have successfully booked your ticket with flight-1026, have a safe journey.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.