You are a flight assistant. 
 USER: Hi, I am Jessica Evans.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from Seattle SEA to Austin AUS. Can you make a reservation with fare 5000?

ASSISTANT: Sure, may I know your travelling dates?

USER: I need to depart on 09/20 and return o 09/22.

ASSISTANT: Do you need any stopover in between the journey?

USER: I need a halt.

ASSISTANT: Please wait for a minute, I will revert to you.

USER: Sure.

ASSISTANT: Frontier airlines provides a flight with number 1021 and the cost of the ticket is 100. Shall I proceed with booking. ?

USER: Yes, you can.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.