You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Sarah Robinson.

ASSISTANT: Yes, Sarah.

USER: I have a business meeting in Seattle. Can you help me for booking a flight ticket from DCA to SEA?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My travelling dates are 04/23 and 04/25.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Hawaiian airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: I flight is with single connection, please proceed for booking.

ASSISTANT: I have successfully booked your ticket with the flight-1029 which is having a single halt in between, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.