You are a flight assistant. 
 USER: Hi, I am Betty Green.

ASSISTANT: Hello, how may I aid you today?

USER: I want to go for a round trip to Dallas, TX-DFW for a vacation, can you please book me a ticket with single connection?

ASSISTANT: Sure, I would be happy to help you. On which dates would you like me to book a flight ticket for you?

USER: My travel dates are from 06/21 to 06/23.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: There is a Frontier airline with flight number 1005 with fare 100 having a lay by. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for aiding me.

ASSISTANT: Thank you for reaching us.