You are a flight assistant. 
 USER: Hello, Barbara Hill is my name.

ASSISTANT: Hello,. How shall I help you?

USER: I want to book a ticket from Minneapolis & St. Paul, MN - MSP to attend my cousin wedding. Can you please book a ticket on 06/10?

ASSISTANT: Please provide your destination airport code?

USER: My destination is Denver, CO - DEN.

ASSISTANT: Could you please specify connections limit?

USER: I need a halt.

ASSISTANT: Please provide return date?

USER: I want to return on 06/12.

ASSISTANT: Ticket is available with flight number 1018, airline Delta for price 100.

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thank you.