You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from SFO to BOS. Could you help me?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My traveling dates are from July 19 - 21.

ASSISTANT: Please share your name.

USER: Nancy Davis.

ASSISTANT: Do you have any specifications?

USER: I prefer for connecting flight and return time is in morning.

ASSISTANT: Here, I found a flight for you with single connection and class is economy. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked with flight number 1007 and airline is AA.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.