You are a flight assistant. 
 USER: Hi, Patrick Smith here.

ASSISTANT: Hello. How can I help you?

USER: We friends were planning to go for Nutshell Bike Tour to Austin, TX-AUS on 08/16. Can you hold me a ticket with single connecting flight?

ASSISTANT: Sure, may I know source code and return journey date please?

USER: Sure, I will be back on 08/18 at Orlando, FL-MCO.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1004 flight?

USER: Ok, please proceed.

ASSISTANT: Your booking is done in UA airlines, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.