You are a flight assistant. 
 USER: Hello, John Hernandez here.

ASSISTANT: Hello. How may I assist you?

USER: As I am a singer I want to attend for song recording at LGA. Can you please book a ticket for me with price below 500.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When would you like me to book your flight ticket?

USER: I would like to travel on 06/16.

ASSISTANT: Can I have your take off airport code?

USER: My journey starts from DCA.

ASSISTANT: Let me know your return date, please.

USER: I want to return on 06/18.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Jet Blue airline. Shall I confirm it?

USER: Ok, please confirm.

ASSISTANT: Your reservation has been confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.