You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Dennis Lopez.

ASSISTANT: How can I help you today?

USER: I would like to travel Denver for attending a seminar. Can you please help me in booking the ticket from LAX to DEN?

ASSISTANT: Sure, I can help you with that. May I know your willing dates to do journey?

USER: I am willing to travel on 10/21 and again I will be return back on 10/23.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Southwest airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Yes, I think that can work for me.

ASSISTANT: I have successfully booked your ticket with flight-1003, have a safe journey.

USER: Thank you very much for booking the ticket.

ASSISTANT: Thanks a lot for choosing us.