You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from SEA to BOS, Can you please help me for booking?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you please share your planned dates?

USER: I would like to travel on 03/20 to return on 03/22.

ASSISTANT: Ok, help me with your name.

USER: Ashley Green here.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Is there any other concerns?

USER: Yes, I would be depart on afternoon.

ASSISTANT: There is a connecting flight with a fare of 100 found in 1025 Delta Airlines, shall I proceed?

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.