You are a flight assistant. 
 USER: Hi,. I am Steven Martinez.

ASSISTANT: Hello, How can I help you?

USER: I need to expo my jewellery design in Charlotte, CLT. Will you help me to book me a plane from Atlanta, ATL?

ASSISTANT: Sure, Please help me with your travel dates.

USER: 02/05 - 02/07 are my planned dates for trip.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, I will choose other airline. Thank you for your information.

ASSISTANT: Thank you for opting us.