You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Stephanie Carter. I planned to attend for a meeting in SEA, can you please help me to book a flight ticket from DFW?

ASSISTANT: Sure, please let me know your class preference.

USER: I am comfortable with all classes.

ASSISTANT: On what dates you want me to make the reservation?

USER: I planned to travel on May 31 and Jun 02.

ASSISTANT: What number of connections you need?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I planned to depart in evening.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, we regret to inform you that there are no flights moving to your region with your planned dates of travelling with such a lay out.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for consulting us.