You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Anna Lewis.

ASSISTANT: Yes, Anna Lewis.

USER: I am planning for a sky drive at Top of the rock observation deck. Help me in booking my flight ticket to New-York with one halt.

ASSISTANT: Sure, we are gleeful to help you. Please share me your scheduled dates.

USER: I have planned to travel from 12/16 to 12/18.

ASSISTANT: Ok, may I know your budget for this trip?

USER: I can spend up to 1000 in booking my flight ticket.

ASSISTANT: Please share me your airport codes so that I can check the availability of flights.

USER: My airport codes are from TX-DFW to NY-LGA.

ASSISTANT: Ok Anna, please give me a moment to find a flight for you.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight in Spirit airline and you have to pay 100 only. Can I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Anna, your booking has been processed in flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for picking our service.