You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, please provide your trip dates.

USER: I would like to depart on June 3rd and return on June 5th.

ASSISTANT: Ok, can you please tell me your requirement?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a minute.

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

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.ble.

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

ASSISTANT: Most welcome.