You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Davis.

ASSISTANT: How can I assist you?

USER:  I want to exhibit my arts in an exhibition at Washington DC- DCA. Help me with booking the flight ticket.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates please?

USER: My travelling dates are on 07/12 and 07/14.

ASSISTANT: Ok, do you need any halt in between the journey? May I know your source code please?

USER: I need a connecting flight. My source point is Houston, IAH.

ASSISTANT: Ok, do you have any class preference?

USER: I need a economy class.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we are happy to inform you that we found a flight which matches your requirement.

USER: Ok, can you share the flight details?

ASSISTANT: Sure, flight number-1013 with airline- UA at a price of 100 with 1 connection and class- economy. Shall I proceed?

USER: You can proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

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