You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I am Edward Wilson. Can you please assist me in booking a flight ticket from DFW to IAD?

ASSISTANT: Nice to meet you Wilson. Yes, can you provide your travelling dates?

USER: My scheduled dates are 05/20 and 05/22.

ASSISTANT: Please wait for a moment.

USER: Ok, I am looking for a flight which is having a connection limit 1. So, please check for that.

ASSISTANT: Ok, when I recheck in my data base there is no flight found your lay by to your region. Sorry for the trouble.

USER: It's ok, thank you for checking.

ASSISTANT: It's, my pleasure. Have a nice day.