You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Jennifer King, can you help me in booking my flight ticket to CLT from ORD?

ASSISTANT: Sure, may I know your dates of journey please?

USER: Sure, my dates of journey are Apr 6 and Apr 8.

ASSISTANT: May I know your airline preference please?

USER: I am comfortable with any of the airline.

ASSISTANT: Do you have any other specifications please?

USER: I need to have my return journey in the afternoon.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Jennifer, there is no flight found as per your travelling details.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: You are welcome.