You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Debra Johnson here. I have planned to go for a Sport Festival in Phoenix. Can you please assist me for booking with a normal cost airline?

ASSISTANT: Let me know your travelling dates.

USER: Sure, my travelling dates are 2 and 4 on the month of March.

ASSISTANT: Can I know your airport codes?

USER: Sure, my travelling airport codes are DFW to PHX.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: That's ok, I will reach my destination by another means of transportation. Thank you.

ASSISTANT: Thanks.