You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is Patrick Hall from Houston.

ASSISTANT: How can I aid you today?

USER: I need to book a ticket from TX-HOU to DC-DCA, can you please help me in booking?

ASSISTANT: Sure, kindly mention your trip dates?

USER: I would like to travel on 10/18 and intend to return on 10/20.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: There is a Jetblue airline with flight number 1026 and fare 1100 having a lay by. Shall I reserve it?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.