You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from OAK to IAD, can you help me?

ASSISTANT: Sure, I can do that for you. May I know your travel dates?

USER: I want to travel on 20 Feb and return on 22 Feb.

ASSISTANT: Can you please help me with your name?

USER: Samantha Roberts.

ASSISTANT: Thank you. Do you have any class preference?

USER: No.

ASSISTANT: Flight-1024 with single connection is available in Frontier airlines and the ticket fare is 200 only. Flight departs at 1:00 hours and arrives at 21:00 hours. Is that ok for you?

USER: Please proceed.

ASSISTANT: Your ticket is booked in economy class and have a great flight.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.