You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dorothy Taylor.

ASSISTANT: How may I aid you now?

USER: I want to book a ticket from LAX to DEN, can you help me?

ASSISTANT: Can you please share your travelling dates of journey for booking?

USER: My travel dates are 04/05 and 04/07.

ASSISTANT: there are flights available in Delta airline with price of 200, can I proceed with that booking?

USER: You can book it.

ASSISTANT: Your booking has been done with flight number 1012.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.