You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to travel from DFW to IAH, can you help me in doing that?

ASSISTANT: Could you let me know your travelling dates.

USER: My journey dates are Jan 24 to 26.

ASSISTANT: Is there any preference?

USER: I need a connecting flight.

ASSISTANT: Found ticket with Delta airlines for price 100 having flight number 1022. Shall I book a ticket?

USER: Ok, please proceed.

ASSISTANT: May I know your name?

USER: I am Charles Turner.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.