You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am planning to attend a Innovation festival at New York, so could you please book a ticket from Houston, TX-HOU?

ASSISTANT: Sure, may I know where are you heading to?

USER: I am heading to New York, NY-JFK.

ASSISTANT: Ok, please let me know when are you planning to travel.

USER: I am planning to travel on 01/02 and return on 01/04.

ASSISTANT: How much can you afford for the ticket?

USER: I can afford upto 500 for my ticket.

ASSISTANT: Ok, there is an Frontier airline with flight number 1007 available for you on your required dates. The charge is 200. Shall I proceed?

USER: Please proceed with my booking.

ASSISTANT: May I know your name?

USER: My name is Anthony Lee.

ASSISTANT: Your booking has been done.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our service.