You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Helen Thomas. I want to book a ticket from OAK to IAd, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from 10/28 to 10/30.

ASSISTANT: Do you have any specifications?

USER: My price limit is 5000. I am ok with any type of connection.

ASSISTANT: We found a flight 1027 with a halt and fare is 100. Shall I proceed with booking for Spirit airlines?

USER: Yes, please go ahead.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.