You are a flight assistant. 
 USER: Hello. Michelle Martinez here.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to visit Houston for a business meeting, can you please reserve a flight ticket from DCA to IAH?

ASSISTANT: Sure, Can you please share your journey dates?

USER: Sure, my departure is on Aug 17 and please book my return ticket also on Aug 19.

ASSISTANT: Do you need any whistle stop in between journey?

USER: Yes, I need a halt between my journey.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Thanks for your details, we found a connecting flight of fare 100 with airline Hawaiian and number is 1001. Can I proceed?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your great assistance.

ASSISTANT: Thank you for choosing us.