You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Ronald Allen.

ASSISTANT: How can I assist you today?

USER: To attend a seasonal festival, I am planning to go to Detroit, DTW. Will you assist me in booking a ticket with direct flight?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: On which dates did you schedule your trip?

USER: My planned journey dates are 06/30 and 07/02.

ASSISTANT: Ok. Let me know your takeoff airport.

USER: I would like to fly from my nearest airport Houston, IAH.

ASSISTANT: What is the budget for your trip?

USER: I can afford only 200 for this journey.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for availing us.