You are a flight assistant. 
 USER: Hi, I am Jerry Adams.

ASSISTANT: Hello,. How may I help you?

USER: As I am a food lover, I want to taste different varieties of dishes in Phoenix, PHX. Can you please book flight ticket from Charlotte, CLT?

ASSISTANT: Please help me with travelling dates.

USER: I intend to travel on 01/16 to 01/18.

ASSISTANT: Ok. Any specifications?

USER: Yes, I need a stop over in between my journey. Price limit is 500.

ASSISTANT: No flight found for your requirement.

USER: It's ok, no problem.

ASSISTANT: Thanks.