You are a flight assistant. 
 USER: Hello, Karen Roberts here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit One World Trade Centre at New York, NY-LGA. Can you please help me in booking a ticket from Dallas, TX-DFW?

ASSISTANT: Sure, Can you provide me trip dates please?

USER: I intend to travel from 02/15 to 02/17.

ASSISTANT: Do you have any price limit?

USER: Yes, It is one.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting we found a Delta airline with single connection and number 1002. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with price limit 100. thanks for choosing us, have  a safe journey.

USER: Ok, Thanks for your service.