You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: I am Gregory Carter.

ASSISTANT: Thank you for providing your good name.

USER: I want to attend my sister's marriage at Dallas, can you book a ticket from Houston?

ASSISTANT: Sure, we are here to help you. Please, share the airport code of Houston.

USER: Airport codes is IAH and DFW.

ASSISTANT: Kindly, mention your fare limit.

USER: I can afford up to 1000.

ASSISTANT: When you are willing to start your journey to DFW?

USER: I will start from DFW on 11/27.

ASSISTANT: Please, share the return date.

USER: I will depart on 11/25.

ASSISTANT:  Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: You have a flight with airline Hawaiian and flight number is 1019 with a halt and price is 100.

USER: Please book a ticket.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.