You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Samantha Roberts.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket from Houston to Oakland?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Do you need any layover in between journey?

USER: Yes, I need a connecting flight to reach my destination.

ASSISTANT: Ok, when are you planning to make your journey?

USER: My planning dates are from July 19 till July 21.

ASSISTANT: Kindly mention your respective airport codes.

USER: My travelling airport codes are IAH and OAK.

ASSISTANT: Ok, please wait a minute.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we found a connecting flight with Delta airline in economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been reserved with a fare of 100 and the flight number is 1022.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.