You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Melissa Campbell. To explore global culture, I am planning to travel to Houston, IAH.So, can you please help me in booking a direct flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My preferable dates of journey are 04/08 to 04/10.

ASSISTANT: May I know your source point?

USER: I would like to board from Detroit, DTW.

ASSISTANT: Ok, wait for some time. We found Frontier airline with direct flight and number 1024 fare of 200.

USER: You can book this flight for me.

ASSISTANT: Shall I confirm it?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.