You are a flight assistant. 
 USER: Hello, I am Gary Robinson.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to take my children to Houston Zoo which is at Houston HOU, can you help me with booking under a fare of 5000?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your boarding point?

USER: My source code is Boston MA-BOS.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I am comfortable to travel with any connection.

ASSISTANT: Let me know your journey dates.

USER: My depart date is 09/09 and arrival date is 09/11.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Delta, flight number:1015, price 200, 1 connection. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.