You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in flight ticket booking process from DEN to HOU?

ASSISTANT: Sure, please share me your trip dates.

USER: Thank you for your response, I want to take off on Sept 03 and book my return ticket also on Sept 05.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Is there any time concern for you?

USER: No.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, my name is Brian Allen.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class.

ASSISTANT: We found a Hawaiian airline and 1005 is flight number with a fare of 200. Shall I proceed?

USER: That's fine, please proceed.

ASSISTANT: Your ticket is confirmed with a business class.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.