You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: I want to book a flight ticket to Charlotte with price under 1000. Can you please help me with it?

ASSISTANT: Sure. May I know your airport codes?

USER: Airport codes are DFW-CLT.

ASSISTANT: Please provide your name.

USER: My name is Angela Young.

ASSISTANT: To proceed booking I need your travelling dates.

USER: My travel dates are 0/03 and 01/05. My travel dates are 01/03 and 01/05.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thanks for the help.