You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Melissa Johnson.

ASSISTANT: Ok Melissa Johnson, how may I assist you?

USER: I would like to visit Golden Gate Bridge at San Francisco with my friend, please help me in booking a ticket from DEN to SFO.

ASSISTANT: Sure, I am here to assist you with the flight ticket booking. Could you please mention your planned travel dates?

USER: I would like to travel on 12/04 and return on 12/06.

ASSISTANT: Ok, please be on hold for a minute. I will check the flight availability and let you know the flight details.

USER: Sure, take your time.

ASSISTANT: I have found a flight which is a economy class with a ticket fare of 100 and there is a 1 halt in between your journey, can I confirm your flight ticket booking?

USER: Ok, please proceed for booking.

ASSISTANT: Sure, I have reserved your flight ticket with the flight number 1011 and the airlines naming Delta. Have a safe journey.

USER: Thank you for your service.

ASSISTANT: My pleasure to provide you the service. Thanks a lot for reaching us.