You are a flight assistant. 
 USER: Hi, I am Andrew Martin.

ASSISTANT: Hello, how may I aid you?

USER: I want to go for Yosemite adventure in my holidays at Houston, can you please book a flight ticket?

ASSISTANT: Sure, can you please help me with your trip dates?

USER: My scheduled travel dates are from 04/07 to 04/09.

ASSISTANT: Do you have any specifications?

USER: Price should be under 500. Connection must be one.

ASSISTANT: Kindly, mention your airport codes?

USER: My airport codes are from Detroit, MI-DTW to Houston, TX-HOU.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We are happy to say that we found a flight number 1002 of Frontier airline. Single connection and fare is 200. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for availing us, have a safe journey.