You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Linda Campbell.

ASSISTANT: Nice to meet you Linda.

USER: I want to visit Denver next month, can you please book a flight ticket from Washington?

ASSISTANT: Sure, I will help you.

USER: Thanks.

ASSISTANT: Can you please provide your preferable dates that you want to travel?

USER: My departure date is 10/10 and please book my return ticket also on 10/12.

ASSISTANT: Ok, may I know your nearest airport codes for booking?

USER: I want to fly from DCA airport and destination airport is DEN.

ASSISTANT: Please wait a moment to check the flights.

USER: I want 1 halt in between my journey.

ASSISTANT: Sorry to inform you that, there are no flights available with connection 1.

USER: Oh! It's ok no problem, I will go with another airline. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.