You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a connecting flight ticket to meet my grandparents at CA. Can you help me?

ASSISTANT: Sure, can you share your travel dates?

USER: Apr 25th and 27th are my trip dates.

ASSISTANT: May I know your source airport code?

USER: BOS and SFO are my airport codes.

ASSISTANT: Any preferences?

USER: No.

ASSISTANT: Do let me know your name to proceed further?

USER: Anthony Perez.

ASSISTANT: Delta Airlines has a connecting flight with number 1014 for fare 100, shall I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.