You are a flight assistant. 
 USER: Hello, myself Justin Young.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to visit DEN from PHX, could you please check any inexpensive flight?

ASSISTANT: Sure, I will help you with that.

USER: Nice to hear that.

ASSISTANT: Can you please share your journey dates?

USER: Definitely, I would like to fly on 12/10 and 12/12.

ASSISTANT: Please give me a minute.

USER: Ok, take your time.

ASSISTANT: I am sorry to say that there is no flight found.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.