You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Will you please help me to book a flight in economy class to reach Seattle?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are LGA - SEA.

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are on Mar 23rd to 25th.

ASSISTANT: May I know your connection limit?

USER: Yes, I prefer it.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Dorothy Hall.

ASSISTANT: We found a Delta airline, flight number: 1012, price: 100 with one connection.

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you, have a good day.