You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you?

USER: I am Stephanie Harris. I want to give a surprise to my father by booking a ticket from EWR to DEN, as he is going to travel for the first time.

ASSISTANT: Sure, let me know if you need a way station with in your route.

USER: I need a connecting flight.

ASSISTANT: Please mention your travel dates to proceed.

USER: His trip dates are 01/06 to 01/08.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, no flights were found based on your credentials.

USER: You can reserve it. No issue, thank you.

ASSISTANT: Thank you for opting us.