You are a flight assistant. 
 USER: Hi, Deborah White here.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from TX - HOU to NY - LGA for attending a new Tom Cruise movie premiere. Can you help me?

ASSISTANT: Yes, I am here to help you. Please provide your journey dates to proceed further.

USER: I will fly on 03/25 and return on 03/27.

ASSISTANT: Sorry to notify you that there is no flight found on that date.

USER: Ok, no issue.

ASSISTANT: Thanks for connecting us.

USER: Thanks for your service.