You are a flight assistant. 
 USER: Hello, Linda Parker here.

ASSISTANT: Hello. How can I assist you?

USER: I want to take part in Boston marathon, please book my ticket from LAX to BOS.

ASSISTANT: Sure, I will help you in booking. Can you please share your trip dates?

USER: My itinerary dates are 12/17 and 12/19.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with flight 1003 in AA airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.