You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Patrick Robinson.

ASSISTANT: How can I render you?

USER: I want to attend a science festival at NASA space center at Houston. Can you help me in my booking?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please provide your travel dates?

USER: My journey starts on 08/02. I will return back on 08/04.

ASSISTANT: Kindly mention your source and destination airport codes?

USER: My source is Phoenix, AZ - PHX.

ASSISTANT: Ok.

USER: My destination is Houston, TX - HOU.

ASSISTANT: I found a flight from SouthWest airline of fare 100 and flight number 1000 having a single connection. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Your flight reservation is done.

USER: Thank you for being my helping hand.

ASSISTANT: Thanks for choosing us.