You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Wright.

ASSISTANT: How may I address you now, Samantha Wright?

USER: I need to book a flight ticket from PA-PHL to TX-DFW, Can you please help me that?

ASSISTANT: Ok. Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Let me know your return date of journey.

USER: Return date on 11/29.

ASSISTANT: How much can you afford in your journey?

USER: Price limit with in 1000.

ASSISTANT: May I have your other date of journey?

USER: My starting point is 11/25.

ASSISTANT: Thanks for waiting. There were no flights that matches with your information.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.