You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from HOU to PHL?

ASSISTANT: Can I know your travelling dates?

USER: Sure, I want to travel on Feb 15 and need to return on Feb 17.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Found ticket with Southwest airlines for price 100 having flight number 1001.

USER: Ok, please proceed.

ASSISTANT: Can I know your name?

USER: Gregory Gonzalez here.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.