You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Karen Johnson. Can you please help me in booking my flight ticket from IAH to SEA?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are Aug 21 and Aug 23.

ASSISTANT: Do you have any restrictions to be met?

USER: I need connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: We have found a connected flight of Delta airline, flight number-1004 and fare is 100. Shall I proceed with the booking?

USER: Ok, please proceed with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.