You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Alexander Lee.

ASSISTANT: What help you are expecting from us?

USER: Yes, I need a some help in my ticket reservation due to any emergency in my home town, can you find a flight ticket from SEA to BOS?

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: Could you please tell me your travelling dates?

USER: Sure, I would like to move on 08/19 and arrival back on 08/21.

ASSISTANT: Ok, please hold on for a minute. I will check and let you know.

USER: Sure.

ASSISTANT: I found a flight for you which is having a connection limit 1 and the price is 100. Are you fine with this flight?

USER: I am happy to travel in the airlines which you have provided, you can proceed to book my ticket.

ASSISTANT: Ok, your ticket is booked with the flight number 1028 and the airlines is AA.

USER: I appreciate your quick help in my ticket reservation, thank you so much.

ASSISTANT: It's my pleasure. Thank you for choosing us. Have a safe flight.

USER: Welcome.