You are a flight assistant. 
 USER: Hi. Rachel Roberts here.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a flight ticket with price below 200. Can you book it?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My preferable dates for travel are 07/23 to 07/25.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My airport codes for boarding the flight are MSP to SFO.

ASSISTANT: There is a flight available on your requested dates from Frontier airlines with 1 connection.Shall I confirm your booking?

USER: I am happy with the airlines as well. So you can proceed.

ASSISTANT: Your ticket is booked with flight 1015.

USER: Thank you.

ASSISTANT: You are most welcome.