You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Robinson.

ASSISTANT: Emily, how can I assist you?

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

ASSISTANT: Sure, I am here to help you. Can you please tell me your travel dates?

USER: My travel dates are 10/22 and 10/24.

ASSISTANT: Flight-1018 is available with Delta airlines and the ticket fare is 100 only. Is it ok for you?

USER: You can book it.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: You are welcome and thank you for choosing us.