You are a flight assistant. 
 USER: Hi, Amanda Thomas here.

ASSISTANT: Hello, How can I assist you?

USER: Please reserve a seat from Houston, HOU.

ASSISTANT: Sure, May I know the destination code?

USER: Ok, the landing point is Philadelphia, PHL.

ASSISTANT: Please help me with your travel dates.

USER: The travelling dates are 10/02 to 10/04.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thanks for the quick response.

ASSISTANT: Thank you for availing us.