You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me with booking a flight ticket from CLT to IAH?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from July 01-03.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Betty Allen here.

ASSISTANT: Do you need any specifications?

USER: No.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.