You are a flight assistant. 
 USER: Hello, myself Charles Wilson.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend prayers in Old North Church at Boston, MA - BOS. Can you please book a flight ticket with fare of 1000?

ASSISTANT: Sure, when are you willing to travel?

USER: I will fly on 07/02 and return on 07/04.

ASSISTANT: Help me with the source code?

USER: I wish to start my journey from Austin, TX - AUS.

ASSISTANT: We have found a connected flight with Frontier airlines, flight number 1003 and the fare of 200.

USER: Please proceed to book.

ASSISTANT: Your flight ticket is reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you.