You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Sandra Turner. Can you please book  a flight ticket from EWR to IAD.

ASSISTANT: Sure, I am blissful to help you with that. When you are willing to travel?

USER: I am willing to travel on Mar 21 and return on Mar 23.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a single connection in between my journey.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the morning.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flight's available based on your journey details.

USER: Not an issue, I will choose another flight. Thank you for your information.

ASSISTANT: Thank you for reaching us.