You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am George Lee.

ASSISTANT: Can you please tell me how may I help you?

USER: I want to book a direct flight ticket to attend an emergency case. Can you help me?

ASSISTANT: Sure, I am happy to help you with the ticket booking. Can you please provide me your planned dates?

USER: 11/24 and 11/26 are my travelling dates.

ASSISTANT: Ok, please mention your desired airport codes.

USER: DEN and LGA are my airport codes.

ASSISTANT: Ok, do you have any  airlines preference?

USER: I am comfortable with normal-cost airline within the fare 5000.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: The Delta airlines is found with your requirements which is having a connection limit 1 and the ticket fare is 200. Can I reserve the economy class flight ticket?

USER: You can reserve it.

ASSISTANT: Ok, I have booked your ticket with the flight number 1014 and the flight departing time is morning. Have a safe flight.

USER: Thank  you for your help.

ASSISTANT: You are welcome. Thank you for consulting us.