You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you out?

USER: Can you please book a ticket from SEA to DTW?

ASSISTANT: Sure, may I have your good name?

USER: I am Melissa Young.

ASSISTANT: To check with the availability of flights, I need your travelling dates.

USER: Journey dates are Sept 27 to Sep 29.

ASSISTANT: Please mention the connection limit.

USER: I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: You can fly in Frontier airlines, 1024 flight number with an economy class. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.