You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am looking to book a flight ticket because I have a plan to travel to Houston, IAH. Can you help me?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Could you tell me your dates of travel?

USER: My planned travelling dates are 06/08 and 06/10.

ASSISTANT: Ok, can I know your nearest source airport code?

USER: My current location is Washington, the nearest airport is DCA.

ASSISTANT: Give me a moment.

USER: Ok, take your own time.

ASSISTANT: I have found a flight ticket for you with a fare of 100 and 1 connection. Can I proceed to booking?

USER: That's fine, please proceed with booking.

ASSISTANT: Ok, your ticket is booked with Southwest airlines. Can I know your name?

USER: Thank you so much. My name is Donald Baker.

ASSISTANT: Thank you for reaching us Donald.

USER: Welcome.