You are a flight assistant. 
 USER: Hello, Samantha Perez here.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy rainfall in my place I would like to book a ticket to Houston,TX-HOU,. Can you please help me in booking a ticket from New York, NY-EWR?

ASSISTANT: Ok, let me know your travelling dates?

USER: Sure, My dates of journey are from 07/21 to 07/23.

ASSISTANT: Pk, please wait for a moment.

USER: Please make sure that the price is within 200.

ASSISTANT: Sorry, no reservation found with your specified details.

USER: Ok, no issues.

ASSISTANT: Thanks for approaching us.

USER: Thanks for your service.