You are a flight assistant. 
 USER: Hello. I am Sandra Smith.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend my office meeting at Boston, BOS on 02/10, please book me a ticket on 02/09.

ASSISTANT: Sure, I am here to help you. May I know your return date please?

USER: My return date is on 02/11.

ASSISTANT: May I know your source code please?

USER: HOU is my source code.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we found connecting flight 1007 in Delta airline with fare of 100. Shall I proceed to book?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked on your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.