You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER:   I am Kathrine Miller. Can you reserve a seat for me from SEA to PHL, to meet my parents?

ASSISTANT: Ok. May I have your journey dates?

USER: My planned dates are from 03/20 and 03/22.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for single connection limit.

ASSISTANT: Thanks for your details. Unfortunately, we have no flights that matches with your information.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for opting us.