You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I assist you?

USER: Can you please hold me a flight ticket with the name of Emily Lopez?

ASSISTANT: Sure, May I know the journey codes?

USER: My trip dates are 12/30 - 01/01. I want to fly from AZ - PHX to TX - DFW.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: It's ok, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.