You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Mark Williams.

ASSISTANT: How may I guide you today?

USER: I have a plan to meet my friend in Houston, can you help me for booking a flight ticket from HOU to IAH?

ASSISTANT: Sure, I am here to help you. Please share your travel dates to search a best flight for you.

USER: I would like to start my journey on 03/28 and my return will be on 03/30.

ASSISTANT: Please hold on for a while.

USER: Sure, I will wait.

ASSISTANT: Flight 1009 in Hawaiian airlines is available for you with 1 connection and fare is 300. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us.

USER: Welcome.