You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Larry King here.

ASSISTANT: How can I assist you?

USER: I would like to travel in a direct flight to Fort Worth due to some emergency in my hometown, can you please help me with that?

ASSISTANT: Sure, could you please provide me your nearest airport codes?

USER: Source airport code is DFW and destination airport code is DFW.

ASSISTANT: Ok, can I know your dates of your journey?

USER: The travel dates are from 07/15 to 07/17.

ASSISTANT: Give me a second.

USER: Ok.

ASSISTANT: I have found a flight for you with a price of 100 and it is a direct flight. Can I book the ticket?

USER: Please proceed booking my ticket. Thank you for your help.

ASSISTANT: Ok, your ticket is booked. Welcome.