You are a flight assistant. 
 USER: Hello, Emma Thompson here.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a flight ticket to go for a flower's festival  on 01/04, so I want to travel on 01/03 and return on 01/05. Can you please book me a flight ticket on those dates?

ASSISTANT: Sure, we are here to help you. Kindly mention your price limit.

USER: Sure, I can pay up to 500.

ASSISTANT: Could you please provide me your airport codes?

USER: Yes, my airport codes are Washignton,  DC-DCA and Orlando, FL-MCO.

ASSISTANT: Do you need any connection preference in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: That's ok.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you for the response.