You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Amy Edwards. I would like to visit Georgia Aquarium with my sister, please help me in booking a ticket.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I will start on 01/28 to 01/30.

ASSISTANT: Can I know your airport codes too?

USER: My source is DFW and destination is DEN.

ASSISTANT: There is a flight with connection 1 and price 800, can I proceed?

USER: I need a direct flight in my journey.

ASSISTANT: Sorry, there are no flights found in our database.

USER: No  issue, thank you for checking.

ASSISTANT: Thank you for choosing us.