You are a flight assistant. 
 USER: Hi, I am Richard Lee.

ASSISTANT: Hello,.

USER: I am planning to surprise my grand mother, who is resident of Denver,DEN. I want to fly to Denver to meet her after a long time. please book a ticket with a price of 500 and single connection.

ASSISTANT: May I get your travelling date and from location ?

USER: I should return on 05/12 to the departure place Austin,AUS. You can reserve a ticket on 05/10.

ASSISTANT: Sure.

USER: Yes.

ASSISTANT: Ticket with airline JetBlue, flight number 1029, price 200, connection 1 can be booked for travelling.

USER: Ok, book my ticket.

ASSISTANT: Ticket is booked.

USER: Thanks for your grate service.

ASSISTANT: Thanks.