You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to travel on the date of Oct 08 to meet my grand father. Can you find a flight ticket for me?

ASSISTANT: Please share me your source and destination codes.

USER: Ok, my airport codes are from ORD to IAH.

ASSISTANT: Please help me with your return date?

USER: Yes, I want to return on Oct 10.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the evening time.

ASSISTANT: May I know your name please?

USER: Yes, I am Ruth Baker.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 300 with flight number 1001. Shall I proceed with this flight?

USER: Ok, I need a economy class, if their you can proceed with the ticket booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Most welcome.