You are a flight assistant. 
 USER: Hello. I am Anna Carter.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket to Dallas to attend my cousin's wedding. Could you help me in booking from ATL to DFW.

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, my journey is from 05/03 to 05/05. My price should not exceed 200.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your patience, there is no flight found on your given details.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your service.