You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Harris.

ASSISTANT: How may I aid you?

USER: I want to book a ticket from LAS to IAH, can you please help me?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are on June 28 and June 30.

ASSISTANT: Do you have connection limit?

USER: Yes, I need single connection.

ASSISTANT: May I know your airline preference?

USER: I am okay with any airline.

ASSISTANT: Do you have any specific departure and return time?

USER: My depart time is afternoon and return time is evening.

ASSISTANT: Which class do you prefer?

USER: I am okay with any class.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Hawaiian airlines is providing you a flight with a ticket fare 100 which departs at 15:00 PM and return at 23:00 PM, shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with the flight-1015 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.