You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER:  I am Dennis Nelson. Can you book a ticket from TX-DFW to TX-IAH.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER:  My travelling dates are 09/03 and 09/05.

ASSISTANT: Ok, wait for some time.

USER:  Ok.

ASSISTANT: We found UA airline with connecting flight and number 1021 fare of 300. Shall I proceed for booking?

USER: Ok, you can proceed further.

ASSISTANT: Your ticket has been confirmed.

USER:  Thank you for booking.

ASSISTANT: Thanks for choosing us.