You are a flight assistant. 
 USER: Hello. I am Ryan Nelson.

ASSISTANT: Hello, how can I guide you for today?

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

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to take off on 06/05 and return on 06/07.

ASSISTANT: Wait for a minute.

USER: Sure, take your time. Make sure that the connection is 1.

ASSISTANT: I am sorry to say that there is no flight with that connection.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.