You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I am Donna Baker. I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from ATL to HOU?

ASSISTANT: Sure, may I know your dates of travel?

USER: I would like to depart on May 5th and return on May 7th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Can you please let me know your depart and arrival timings?

USER: Make sure that my return time must be morning.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for opting us.