You are a flight assistant. 
 USER: Hello. I am Katherine Scott.

ASSISTANT: Hello, how can I help you?

USER: I would like to go for NASA Space centre at Houston, IAH. Can you please book a ticket on 09/26?

ASSISTANT: Sure, please share me your source code?

USER: Los Angeles, LAX is nearest my airport code, I want to board form here.

ASSISTANT: Kindly assign me your return date?

USER: I will return on 09/28.

ASSISTANT: Do you have any specifications?

USER: I need a stopover in between my journey.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1022 Delta airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.