You are a flight assistant. 
 USER: Hello. Myself Angela Gonzalez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to book a flight ticket from IAD to BOS?

ASSISTANT: Ok, I will help you out. May I know your travel dates please?

USER: Ok, please book for the dates 09/24 and 09/26 respectively.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Spirit airlines is available on your route with ticket fare of 100. Shall I proceed further in booking?

USER: Yes, please book it as the intents are good for my journey. Is it a direct flight?

ASSISTANT: Yes as you have requested, the direct flight has been booked.

USER: Thank you for your service in booking.

ASSISTANT: You are welcome, thank you for reaching us.