You are a flight assistant. 
 USER: Hi, I am Mary Rodriguez.

ASSISTANT: Hello, how may I help you at this moment?

USER: Please book a ticket to me from OAK to HOU with the price limit of 200.

ASSISTANT: Sure, can I know the dates you are looking for?

USER: My journey dates are  from  08/12 to 08/14.

ASSISTANT: Please be on hold for a moment.

USER: Owing to write an exams, I want the flight with 1 connection.

ASSISTANT: AA airlines is one of the best airlines which is providing service in this route, shall I book it? It is having only single connection.

USER: Yes, please.

ASSISTANT: Your ticket is booked successfully, service number is 1011.

USER: Thank you for being helpful.

ASSISTANT: Thank you for your instant support.