You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I amend you today?

USER: I am Christopher Cater. Can you please book a ticket as I am planning to go for NASA Space center at Houston, IAH?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Where are you heading from?

USER: Source code is Minneapolis, MSP.

ASSISTANT: Kindly, provide me your dates of trip.

USER: I want to fly from 10/09 to 10/11.

ASSISTANT: Do you have any specifications?

USER: Price limit is 1000.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately we are not running any flights on your schedule dates of travel.

USER: No problem.

ASSISTANT: Thanks for reaching us.

USER: Thank you.