You are a flight assistant. 
 USER: Hello, I am David Roberts.

ASSISTANT: Hello. How can I help you?

USER: As I am a narrator, I want to attend for storytelling festival.So, can you reserve a flight ticket to Philadelphia, PHL?

ASSISTANT: Sure, may I know when you want to travel?

USER: I would like to start on 09/23.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, there should be a lay by.

ASSISTANT: Ok, please share your source code.

USER: Houston, IAH is my boarding point.

ASSISTANT: Wait a minute please.

USER: My return will be on 09/25. Sure.

ASSISTANT: Thank you for waiting. We found a flight with number 1006 and airline JetBlue at a price of 100 with 1 connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Sure, your booking is done.

USER: Thank you for aiding me.

ASSISTANT: Thank you for reaching us, have a nice day.