You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Martinez.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from DFW to SFO?

ASSISTANT: Sure, can I know your travel dates?

USER: My journey dates are 08/24 to 08/26.

ASSISTANT: The flight 1022 of Frontier airlines is available on your requested dates with a price of 500 and with 1 connection. Shall I proceed?

USER: You can book it.

ASSISTANT: John, your reservation has been done successfully.

USER: Thank you for helping.

ASSISTANT: You are welcome.