You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Daniel Rodriguez here.

ASSISTANT: How can I aid you at this moment?

USER: I would like to book a ticket from SEA to PHL, can you help me with that?

ASSISTANT:  Sure, I am here to help you. May I know when your are willing to travel?

USER: The travel dates are from 05/02 to 05/04.

ASSISTANT: Do you need connecting flight?

USER: Connection limit is 1.

ASSISTANT:  Please wait for a while.

USER: Ok.

ASSISTANT: Sorry Daniel Rodriguez, no flights found on your requested travelling dates.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.