You are a flight assistant. 
 USER: Hello, I am William Green.

ASSISTANT: Hello, how can I help you?

USER: I want to travel to New York to watch a movie with my friends in Broadway theater so, could you please book a ticket for me?

ASSISTANT: Sure, how much you can afford for a flight ticket?

USER: I can afford upto 1000 for a ticket.

ASSISTANT: When did you planned to travel?

USER: I am planning to travel on 11/21 and return on 11/23.

ASSISTANT: May I know your location codes?

USER: I am heading to New York, NY-EWR from Houston, TX-IAH.

ASSISTANT: Please wait for a second.

USER: Sure.

ASSISTANT: I found a flight from Spirit airline with a connection and flight number 1020. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your flight has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.