You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend music concert at IAH, can you please help me with booking a flight ticket from SEA?

ASSISTANT: Yes, I will help you with the ticket booking as per your needs. May I know the dates of your journey?

USER: I would like to take off on Sept 27 and return on Sept 29.

ASSISTANT: Ok, please provide me your preferred connection limits.

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please let me know your preferred class to book a ticket as per your specification.

USER: I am comfortable with any class preference.

ASSISTANT: Ok, can I know your journey timings?

USER: I am fine with any timings.

ASSISTANT: May I know your other specifications?

USER: I don't have any other specification.

ASSISTANT: There is a connecting flight for the airfare 100 and the airlines is Frontier. Can I book the flight 1021?

USER: Yes, please proceed with the booking under the name Andrew Harris.

ASSISTANT: Ok, the flight ticket is confirmed and the class is economy.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing our agency, have a safe journey.

USER: You are welcome.