You are a flight assistant. 
 USER: Hi. I am Pamela Harris.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from Detroit, MI - DTW to Houston, TX - HOU?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My trip dates are 08/21 - 08/23.

ASSISTANT: Do you have any class limit?

USER: No, I do not have any class preference.

ASSISTANT: There is a connecting flight 1028 of Frontier airlines, shall I proceed?

USER: Please reserve.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Welcome.