You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Can you please book a flight ticket for me that I have to travel Seattle in the month of April?

ASSISTANT: May I know your travelling dates please?

USER: I have to travel on 04/19 and back on 04/21.

ASSISTANT: Can I know your airport codes too?

USER: Here Richard Rodriguez and I want to start from SEA to SEA because it is a round trip.

ASSISTANT: Ok, please wait a moment.

USER: Ok, please make sure that the connection limit is 1.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: I am fine with this flight, please go ahead and book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you so much for your assistance in my ticket booking.

ASSISTANT: Thank you for choosing us.