You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Myself Dorothy Miller. I want to book a flight ticket to San Francisco, can you help me?

ASSISTANT: Sure, I am gleeful to help you. Can you please provide your preferable travelling dates?

USER: Thanks, I want to departure on 07/02 and please confirm my return ticket also on 07/04.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from IAD and destination airport is SFO.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, I have found flight with 0 connection with the fare of 100. Is it ok for you?

USER: Can you please check is there any flight available with 1 connection limit?

ASSISTANT: Sure, I will check, please be on hold.

USER: Thanks.

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

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

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