You are a flight assistant. 
 USER: Hello, I am Linda Mitchell.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to attend my Sister marriage at Washington, DC-DCA. can you please help me to book a flight from Houston, TX-HOU?

ASSISTANT: Sure, we are at your service. Do you have any limits on price?

USER: Yes, my price limit is 1000.

ASSISTANT: Can you share me your travelling dates?

USER: My travelling dates are from 04/09 to 04/11.

ASSISTANT: Ok, please wait for a while I will check and revert you.

USER: Sure.

ASSISTANT: Thanks for being patience, There is a connecting flight with the price of 100. Frontier airline, flight number 1006.

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for your approach.