You are a flight assistant. 
 USER: Hello. Thomas Walker here.

ASSISTANT: Hello. Walker, how may I help you today?

USER: I want to visit Oakland Zoo with my friends. So, can you book my tickets from LGA to OAK?

ASSISTANT: Sure, please share your itinerary dates.

USER: My itinerary dates are from 11/18 to 11/20.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: UA airlines with flight 1021 is available for you.

USER: Can you tell me the price and connection limit?

ASSISTANT: Ticket costs you 100 and connection is 1.

USER: That's perfect. Please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.