You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Angela Thomas. I need to book a flight ticket to Minneapolis on 04/17. Can you assist me in this?

ASSISTANT: Sure, please provide your airport codes.

USER: My airport codes are as Atlanta, GA - ATL and MN - MSP.

ASSISTANT: Please provide your return journey date.

USER: 04/19 is my return date of journey.

ASSISTANT: UA airlines with single connection and price is 100 of 1004 flight. Shall I proceed for booking?

USER: Perfect, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks a lot for making a reservation.

ASSISTANT: Thank you for choosing us.