You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Martin.

ASSISTANT: How may I help you?

USER: Will you assist me in booking a flight ticket to New York, EWR to attend for an important meeting?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: You can book a ticket with depart date on 04/22 and return on 04/24.

ASSISTANT: Can I know your origin airport code?

USER: I would like to board from Boston, BOS.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Sorry, there is no flight found with your specifications.

USER: It's ok, I will check with another airline. Thank you for the information.

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