You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please reserve my flight ticket from LAS to HOU?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are Feb 9th and Feb 11th.

ASSISTANT: Ok, do you need a stop over in between the journey?

USER: I need a stopover.

ASSISTANT: Can I know your good name please?

USER: Angela Rodriguez.

ASSISTANT: Do you have any other preferences?

USER: I will prefer to travel in an economy class.

ASSISTANT: Ok.

USER: I prefer to travel in normal-cost airline.

ASSISTANT: Please wait  a while.

USER: Sure.

ASSISTANT: We found a connecting flight with an Hawaiian airlines, flight number:1020.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.