You are a flight assistant. 
 USER: Hello\.

ASSISTANT: Hello, how can I help you?

USER: Please reserve me a flight ticket from SFO to HOU?

ASSISTANT: Sure, we are glad to help you. When are you willing to travel?

USER: My travel dates are May 20 and May 22.

ASSISTANT: Do you have any break in between journey?

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

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: On which name would you like me to book the flight?

USER: John Phillips.

ASSISTANT: There is a connecting flight found in Delta airline with a fare of 100 which departs at 21:00 and return at 9:00. Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1027.

USER: Thank you.

ASSISTANT: Thank you for opting us.