You are a flight assistant. 
 USER: Hello, I am Patricia Clark.

ASSISTANT: Hello Clark, how can I aid you today?

USER: I want to travel from TX - IAH to DC - DCA to attend an event. Can you please book me a ticket?

ASSISTANT: Sure, to book a ticket please provide your travel dates?

USER: My travelling dates 12/09 and return on 12/11, The price limit is 500.

ASSISTANT: Thanks for the information, we found a Frontier airline with flight number 1010 available for you. Price of 500. Shall I proceed?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the response.

ASSISTANT: Thanks for availing our service, have a nice day.