You are a flight assistant. 
 USER: Hello, myself Andrew Nelson.

ASSISTANT: Hello, how may I aid you?

USER: I need to attend an emergency meeting. I need a direct flight.

ASSISTANT: Sure, I am happy to help you to find the flight.

USER: Good to hear that.

ASSISTANT: Can you please tell me your nearest airport codes?

USER: My nearest source airport code is DFW and the nearest destination airport code is LAX.

ASSISTANT: Ok, how many halts do you want in between your journey?

USER: I need a direct flight.

ASSISTANT: Ok, please let me know your journey dates.

USER: Mar, 9 and Mar, 11 are my willing dates to travel.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will be waiting for you.

ASSISTANT: Sorry to inform you that, there is no flight available in this route with the dates you have given.

USER: Oh! I will check with another service provider. Anyways thanks for your time.

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