You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I render you?

USER: Please book a flight ticket from Boston, MA - BOS to Houston, TX - HOU.

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are from 04/02 to 04/04.

ASSISTANT: May I know your name?

USER: My name is Nancy Scott.

ASSISTANT: Thank you for your details, we found a flight in an airline AA of number 1020 having a single connection with a price of 200. Shall I proceed to book?

USER: Please proceed to book.

ASSISTANT: Your flight ticket is booked.

USER: Thanks for assisting me.

ASSISTANT: Thank you for reaching us.