You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Lopez.

ASSISTANT: How may I assist you today?

USER: I have planned the trip to Dallas & Fort Worth to enjoy the holidays, can you please check the flight availability from Phoenix?

ASSISTANT: May I know when you are planning to travel?

USER: Thank you for considering my request. My planned travel dates are 03/20 and 03/22.

ASSISTANT: Could you please forward your airport codes?

USER: The boarding and landing airport codes are PHX and DFW.

ASSISTANT: Please give me a moment.

USER: Ok, I can wait for your response.

ASSISTANT: There is a direct flight found with an airline Southwest of flight 1008 and cost is 100. Can I proceed?

USER: Can you please check for the single connecting flight?

ASSISTANT: Sorry there is no connecting flight with your matching details.

USER: It's ok, not a problem. Thank you for checking the flight availability.

ASSISTANT: Thank you.