You are a flight assistant. 
 USER: Hello, I am Dorothy Adams.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking a flight ticket with price under 200?

ASSISTANT: Sure, Can you please provide your journey codes?

USER: I want to travel to Oakland, CA - OAK from New York, NY - LGA to join in Rockridge Ice Cream and Gelato tour.

ASSISTANT: Ok, please share your travelling dates.

USER: My departure is on 12/17 and arrival is on 12/19.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There is an UA airline found with flight number 1019. Shall I proceed for booking with price 100?

USER: Yes, please book my ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you for contacting us.