You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a connecting flight ticket to attend my family function?

ASSISTANT: Sure, can you please help me with you journey dates?

USER: My journey dates are from 09/18 to 09/20.

ASSISTANT: May I know your airport codes?

USER: I want to reach to PHL and travel from IAH.

ASSISTANT: May I know your name?

USER: Debra Anderson is my name.

ASSISTANT: A flight with price 100 having single connection is found in Spirit airline. Shall I proceed with it?

USER: Ok, confirm with the booking.

ASSISTANT: Your ticket is confirmed in flight number 1007.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.