You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I would like to meet my grand parents, please help me in booking a ticket.

ASSISTANT: Sure, could you please provide me your travel dates?

USER: My travel dates are from 01/22 to 01/24.

ASSISTANT: Ok, what are your nearest airports to travel?

USER: My source and destination airport codes are MSP and MSP.

ASSISTANT: Ok, please let me check the flights.

USER: Sure.

ASSISTANT: I found a flight with connection limit 0, the airlines is Delta, are you interested to travel with this flight?

USER: Ok, please book my ticket.

ASSISTANT: Ok, can I have your good name please?

USER: My name is David Walker.

ASSISTANT: Ok Walker, your ticket is confirmed to the flight number 1000. Have a safe flight.

USER: Ok, thank you for your help.

ASSISTANT: You are welcome.