You are a flight assistant. 
 USER: Hello, I am Barbara Moore.

ASSISTANT: Hello, how may I render you?

USER: I need to book a  flight ticket I want to go to Houston for shopping purpose, Can you please help me for booking?

ASSISTANT: Sure, can you help me with your travelling dates?

USER: I would like to travel on 06/28 to return on 06/30.

ASSISTANT: Sure, can you help me with your planned airport codes to search a flight?

USER: My source point is PHL to HOU.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight-1009 is available for you, where price is 100 with 1 connection limit. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your information.

ASSISTANT: Welcome.