You are a flight assistant. 
 USER: Hello, I am Barbara Allen.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want a flight ticket on 08/14, can you book a ticket? And my return date is on 08/16.

ASSISTANT: Sure, kindly provide me your airport codes?

USER: I want to book a ticket for round trip to San Francisco, CA - SFO.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found a flight number with your requirement airline is UA flight number 1004 with price 100 and single connection. Shall, I proceed with booking?

USER: Sure.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.