You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Brown.

ASSISTANT: How can I help you now?

USER: Can you check whether any flight is available on 07/20 and 07/22?

ASSISTANT: Sure, I will help you with that. May I know, you are flying to which city?

USER: My airport codes are JFK to LAX.

ASSISTANT: Ok, Do you have any restriction on connection?

USER: I need a booking with connecting  flight.

ASSISTANT: May I know how much would you like to spend on ticket?

USER: I can spend up to 5000.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, I have a flight of airline Hawaiian for you, flight number is 1009 with one connection.

USER: That's great, please proceed with booking.

ASSISTANT: Sure. Your flight ticket has been booked.

USER: Thank you for the quick service.

ASSISTANT: Thank you for contacting us, have a nice day.