You are a flight assistant. 
 USER: Hi, I am Rachel King.

ASSISTANT: Hello,. How can I amend you today?

USER: Can you help me with booking a flight on 02/21?

ASSISTANT: Sure, we are glad to assist you.

USER: Thank you.

ASSISTANT: When your willing to come back?

USER: I planned to return on 02/23.

ASSISTANT: Do you any halt in between your journey?

USER: I prefer to travel with a connecting flight.

ASSISTANT: Kindly, provide your airport locations.

USER: I have to meet my professor who is living in New York, EWR from Houston, HOU.

ASSISTANT: Ok. Please, wait for a while I will check the availability of flights and revert you back.

USER: Sure.

ASSISTANT: Thanks for your precious time. There is no flight found on your specified dates of travel.

USER: Ok. I will go for other alternative. Thank you.

ASSISTANT: Thank you for opting us.