You are a flight assistant. 
 USER: Hi. I am Ryan Martinez.

ASSISTANT: Hello, how can I help you.

USER: I have a plan to visit the Mercer Arboretum and Botanic gardens with my college friends in Houston, To enjoy by exploring the nature. Can you help me in booking?

ASSISTANT: Sure, can you share me your trip dates please?

USER: On 08/12 I am willing to start.

ASSISTANT: May I know your journey locations?

USER: And I will return on 08/14. Charlotte, NC - CLT is my source and IAH is my destination.

ASSISTANT: Ok, wait for some time. Unfortunately there is no flights found on your details.

USER: Not a problem. Thanks.

ASSISTANT: Thanks for connecting us.