You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I address you?

USER: Please book a flight ticket to HOU to attend for a Innovation festival to share my ideas.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: From which airport would you like to leave from?

USER: I am heading from PHX.

ASSISTANT: When are you planning to travel?

USER: I am planning to travel on Aug 09 and return on Aug 11.

ASSISTANT: Please let me know your connection limit.

USER: I need a connected flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No, I am fine with any flight.

ASSISTANT: May I know your name?

USER: Sure, my name is Charles Garcia.

ASSISTANT: We found a connecting flight with an Southwest airlines, flight number:1000.

USER: Ok, please confirm my booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.