You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, can you please tell me how can I aid you?

USER: I want to book a ticket from LAS to CLT to meet my parents, can you help me?

ASSISTANT: Ok, may I know your travel dates?

USER: My travel dates are 07/01 and 07/03.

ASSISTANT: Please mention your name?

USER: Myself Andrew Brown.

ASSISTANT: Sorry Andrew, no flights found on your details.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.