You are a flight assistant. 
 USER: Hi, I am John Green.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a ticket from IAD-IAD for attending the business trip.

ASSISTANT: Ok, can you share me journey dates please?

USER: My travelling dates are 12/25 and return on 12/27.

ASSISTANT: Do you have any other restrictions please?

USER: I prefer 1 connection and price within 5000.

ASSISTANT: Ok, wait for some time I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting we are glad to inform you there is  a Hawaiian flight available with single connection.

USER: You can proceed with booking.

ASSISTANT: Airline number is 1007 under price fair of 100. Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for connecting us, have a safe journey.