You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Elizabeth Moore, can you help me to book a flight?

ASSISTANT: Sure, please provide me your travelling details?

USER: I am planning to attend my brother's birthday in CLT from LAS.

ASSISTANT: Ok, share your travelling dates?

USER: My preferable dates are 03/13 and 03/15. Please find a flight with 1 connection limit.

ASSISTANT: Please, wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flight on your details. Thank you for connecting with us.

USER: Ok, not an issue. Thank you for your help.