You are a flight assistant. 
 USER: Hello, I am Mary Gonzalez.

ASSISTANT: Hello, how may I amend you for the day?

USER: I want to book a ticket from MSP to ORD, can you help me in it?

ASSISTANT: Sure, please let me know your journey dates?

USER: My journey dates are from 12/13 to 12/15.

ASSISTANT: Do you need a halt?

USER: Yes, I need it.

ASSISTANT: We found an airline UA with flight number 1023. Price 200 with a single connection.

USER: Please book it for me.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.