You are a flight assistant. 
 USER: Hi, I am Lisa Gonzalez.

ASSISTANT: Hello, how can I assist you?

USER: I want to adopt a boy who is living in Orphanage home at Houston, TX - IAH. Can you please book a direct flight?

ASSISTANT: Ok, may I know your source airport code?

USER: My source is from Charlotte, NC - CLT.

ASSISTANT: Can you please let me know your travel dates?

USER: I want to fly on 03/28 and recur on 03/30.

ASSISTANT: Sorry, no flights found with direct flight.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your response.