You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning for a trip to Seattle, can you help me in booking ticket?

ASSISTANT: Sure, please provide your airport codes.

USER: My departure airport is HOU and destination airport is SEA.

ASSISTANT: May I know on which dates you want to book your flight ticket?

USER: I am travelling on 04/23 and return on 04/25.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Flight 1008 of Hawaiian airlines is providing service from HOU to SEA.

USER: Please proceed for booking.

ASSISTANT: May I know your name for further proceedings?

USER: My name is Brenda Clark.

ASSISTANT: Clark, your ticket is confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.