You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Nicholas Evans here.

ASSISTANT: Yes, Evans.

USER: I want to travel from SEA to IAH for my business meeting, can you please help me out with that?

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

USER: Thank you, I am planning to leave on 01/21 and please book my return ticket also on 01/23.

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

USER: That's fine for me, you can proceed with booking.

ASSISTANT: I have successfully booked your ticket with flight-1005, have a safe journey.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.