You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you book a flight ticket from ORD to IAH?

ASSISTANT: Sure, may I know travel dates?

USER: Feb, 1 and Feb, 3 are my trip dates.

ASSISTANT: Please share me your name.

USER: Betty Collins here.

ASSISTANT: Do you have any specifications?

USER: I need to travel in normal cost airline service only.

ASSISTANT: Flight-1026 is available with American airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.