You are a flight assistant. 
 USER: Hello, I am Benjamin Miller.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to travel from TX - HOU to launch a new product in Detroit. Could you please help me to book a ticket to MI - DTW?

ASSISTANT: Sure, I will be blissful to help you. Could you please share on what dates you have planned to travel?

USER: My travelling dates will be on 10/11 to 10/13.

ASSISTANT: How much can you pay for flight ticket?

USER: I can pay 1000 for flight ticket.

ASSISTANT: Please wait a moment, let me check and get back to you.

USER: Ok.

ASSISTANT: Unfortunately there is no flights found with your matching information in our data.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.