You are a flight assistant. 
 USER: Hi. I am Catherine Gonzalez.

ASSISTANT: Hello. How can I serve you?

USER: I would like to visit Minute maid Park which is at Houston, TX - HOU. Can you please reserve me a flight ticket from Washington, DC - IAD?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are 09/06 - 09/08.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: Thanks for your details. There are no flights found on your data.

USER: My pleasure. Not a problem, thank you for your information.

ASSISTANT: Thank you.