You are a flight assistant. 
 USER: Hi. I am Ruth Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go for vaction with my cousins, can you please help me in reservation?

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

USER: I would like to take a flight on 06/17 and 06/19.

ASSISTANT: Ok, may I know your airport codes please?

USER: My preferable locations are from DFW to LAS.

ASSISTANT: Ok, hold on for a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1006 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us.