You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Walker.

ASSISTANT: How may I assist you today?

USER: Will you please assist me in booking a flight ticket from ATL to CLT?

ASSISTANT: Sure, may I know your travelling dates, please?

USER: I am planning to depart on June 07 and return on June 09.

ASSISTANT: Do you need any specification?

USER: I need a halt in between my journey.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for the information.