You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket from CLT to LAS?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My planned trip dates are Oct 31st and Nov 2nd.

ASSISTANT: Do you have any other specifications?

USER: The return time should be morning. I will prefer to travel in normal-cost airline.

ASSISTANT: Can you please share me your name?

USER: Christine Garcia.

ASSISTANT: Unfortunately there is no flight found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.