You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Deborah Young.

ASSISTANT: Good Morning. How may I assist you?

USER: I want to go on a vacation to San Francisco,Can you help me to book a ticket from SEA to LAX?

ASSISTANT: Yes, will you please let me know on which dates you want to travel?

USER: I want to depart on 09/11 and return by 09/13.

ASSISTANT: Ok, please hold on for a moment and I will search for a flight which matches with your preferences.

USER: I want to have a connecting flight of 1. Ok.

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

USER: That's ok. Thank you for your quick response.

ASSISTANT: Thank you, have a good day.