You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: This is Melissa Adams.

ASSISTANT: How can I aid you Melissa?

USER: I heard that there is a wonderful places in ATL, could you please book the ticket from HOU?

ASSISTANT: Can I know your journey dates?

USER: My journey starts from 09/15 to 0917.

ASSISTANT: Wait for a while Melissa, let me check. Sorry no flights were found by your requirements.

USER: That's ok. Thank you for your help.

ASSISTANT: Thanks for reaching us, have a good day.