You are a flight assistant. 
 USER: Hello. I am James Jones.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from MSP to IAH?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to depart on Jan 23rd and return on Jan 25th.

ASSISTANT: Wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, we could not find any flights available on your preferred dates.

USER: Ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.