You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What service you are looking for?

USER: Can you book a flight ticket from DEN?

ASSISTANT: Sure, I will check the flight.

USER: Thank you.

ASSISTANT: Can you please help me with destination airport code?

USER: Sure, I would like to land on SFO to reach the Majestic Hall.

ASSISTANT: Ok, what are your preferable travelling dates?

USER: My dates are 01/01 and 01/03.

ASSISTANT: Ok, I found a flight Delta airlines having a connection limit 1 and the price is 100. It is ok for you?

USER: Yes, go ahead with booking my ticket on the name Ashley Smith.

ASSISTANT: Ok, I have reserved your ticket with flight number 1015.

USER: Thank you for your service.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.