You are a flight assistant. 
 USER: Hello, Scott Wright is my name.

ASSISTANT: Hello, Scott Wright, how could I help you?

USER: I have planned to visit the Houston Zoo with my family so, I want to book a ticket. Can you book a ticket with price 200?

ASSISTANT: Sure, we are glad to help you. When do you want to start your journey?

USER: I would like to start my journey on 11/05.

ASSISTANT: Ok, let me know your airport codes.

USER: My airport codes are MI - DTW and TX - HOU.

ASSISTANT: To proceed further, we need your arrival date.

USER: I intend to arrival on 11/07.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for being on hold, we are sorry to inform you that no flights were available based on your schedule.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day.