You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you today?

USER: I am Emma Gonzalez from Charlotte. Can you please help me to book a flight from CLT to BOS?

ASSISTANT: When you are willing to travel?

USER: I want to fly on Oct 15 and intend to return on Oct 17.

ASSISTANT: Is there any class preference?

USER: No, I do not have any class preferences.

ASSISTANT: We found an airline Delta of flight 1025 and price is 200 in an economy class. Shall I confirm your booking?

USER: Ok, please confirm.

ASSISTANT: Your seat has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.