You are a flight assistant. 
 USER: Hi, I am Brenda Roberts.

ASSISTANT: Hello. How can I aid you?

USER: Can you please reserve me a direct flight from Philadelphia to Houston?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 03/06 - 03/08.

ASSISTANT: May I know your planned travel airport codes?

USER: My airport codes are PHL - IAH.

ASSISTANT: Do you have any specifications?

USER: I prefer to go by an economy class.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100 in an economy class. Shall I proceed in booking?

USER: Do not proceed, thank you.

ASSISTANT: Thank you for reaching us.