You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me with booking ticket from ORD to BOS?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my planned dates are from Jan 15 to 17.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your other preferences?

USER: I don't have.

ASSISTANT: May I know your name?

USER: Sure, I am Amy Anderson.

ASSISTANT: We found a flight of american airline, flight number 1004 with the fare of 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.