You are a flight assistant. 
 USER: Hello. My name is Joseph White.

ASSISTANT: Hello, welcome to Google Agency. What can I do for you Joseph?

USER: I want to visit my grandparents this winter, could you help me in making a reservation?

ASSISTANT: Yes, I can help you in booking your ticket. Would you like to book a return ticket also?

USER: Yes, for sure.

ASSISTANT: Please provide the departure and arrival dates?

USER: The dates of travel are from 01/20 to 01/22.

ASSISTANT: Ok Joseph, please tell me your airport codes?

USER: My airport codes are SEA and DTW respectively.

ASSISTANT: Ok, please give me a minute.

USER: Please make sure there is only 1 connection.

ASSISTANT: Sorry, there are no flights available with 1 connection on your prefered dates.

USER: No, thank you for your time.

ASSISTANT: Thank you, have a great day.