You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Thomas.

ASSISTANT: How may I help you, Ruth?

USER: Can you help me in booking from DFW to MCO?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates are 07/18 to 07/20.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: I found a flight with Frontier airlines available with price 200. Shall I book the ticket for you?

USER: I need a direct flight.

ASSISTANT: There are no flights available with your preferences.

USER: No issue, I will try with other alternative. Thank you for your time.

ASSISTANT: Thank you for choosing us.