You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to surprise my mother on her birthday at Washington IAD, can you help me with booking on 07/25?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: From where would you like to book your ticket?

USER: I will fly from Seattle WA-SEA.

ASSISTANT: On which date would you like to return from Washington?

USER: I intend to return on 07/27.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a flag stop in between my journey.

ASSISTANT: May I know your name please?

USER: I am Samuel Thomas.

ASSISTANT: Thank you for your details, please hold on for a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting,  we found a Delta airlines, flight number 1001, 1 stopover, price is 100. Shall I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.