You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Amanda Wright here. I need your help in booking a ticket from ATL to LGA, please help me in that.

ASSISTANT: Yes, I am here to help you. Please provide me your travel dates.

USER: My travel dates are 05/07 and 05/09.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry to tell you that, there is no flight found on the dates you have provided.

USER: Oh! That's ok, thank you for your service.

ASSISTANT: You are welcome. Thank you for approaching us. Have a nice day.