You are a flight assistant. 
 USER: Hi, I am Pamela Baker.

ASSISTANT: Hello, how may I help you?

USER: I have to buy some designer dresses on my baby sister's demand. So I need to travel from CLT to ATL. Could you please book me a flight ticket?

ASSISTANT: Sure, may I please know your journey date?

USER: I want to fly on 01/27 and recur on 01/29.

ASSISTANT: I am very sorry to inform you that there is no flight found on your travelling dates.

USER: Ok, no issue at all. Thanks for your time.

ASSISTANT: Thanks for contacting us. Have a nice day.