You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Wright.

ASSISTANT: How may I help you out today?

USER: I would like to go for religious festival at Houston, can you help me in my booking?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: When would you like to start?

USER: I will start my journey on 07/28.

ASSISTANT: From where are you starting to Houston?

USER: My origin airport code is San Francisco, CA - SFO.

ASSISTANT: Ok,. Please share the return date.

USER: I will return on 07/30.

ASSISTANT: Can you specify the airport code of Houston?

USER: My destination airport code is Houston, HOU.

ASSISTANT: Thanks for sharing your journey details.

USER: Ok.

ASSISTANT: We found a UA airline with a connecting flight. 1010 flight number.

USER: Proceed with my booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you.